1155713130 has 256 divisors, whose sum is σ = 3723148800. Its totient is φ = 251320320.

The previous prime is 1155713129. The next prime is 1155713147. The reversal of 1155713130 is 313175511.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 1155713094 and 1155713103.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 1428166 + ... + 1428974.

It is an arithmetic number, because the mean of its divisors is an integer number (14543550).

Almost surely, 2^1155713130 is an apocalyptic number.

1155713130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 1155713130, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1861574400).

1155713130 is an abundant number, since it is smaller than the sum of its proper divisors (2567435670).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1155713130 is a wasteful number, since it uses less digits than its factorization.

1155713130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 886 (or 880 counting only the distinct ones).

The product of its (nonzero) digits is 1575, while the sum is 27.

The square root of 1155713130 is about 33995.7810617729. The cubic root of 1155713130 is about 1049.4216406712.

Adding to 1155713130 its reverse (313175511), we get a palindrome (1468888641).

The spelling of 1155713130 in words is "one billion, one hundred fifty-five million, seven hundred thirteen thousand, one hundred thirty".