1130545650 has 96 divisors (see below), whose sum is σ = 3076678080. Its totient is φ = 273012480.

The previous prime is 1130545639. The next prime is 1130545651. The reversal of 1130545650 is 565450311.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is not an unprimeable number, because it can be changed into a prime (1130545651) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 97881 + ... + 108819.

It is an arithmetic number, because the mean of its divisors is an integer number (32048730).

Almost surely, 2^1130545650 is an apocalyptic number.

1130545650 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 1130545650, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1538339040).

1130545650 is an abundant number, since it is smaller than the sum of its proper divisors (1946132430).

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

1130545650 is a wasteful number, since it uses less digits than its factorization.

1130545650 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11020 (or 11015 counting only the distinct ones).

The product of its (nonzero) digits is 9000, while the sum is 30.

The square root of 1130545650 is about 33623.5877026828. The cubic root of 1130545650 is about 1041.7480617641.

Adding to 1130545650 its reverse (565450311), we get a palindrome (1695995961).

The spelling of 1130545650 in words is "one billion, one hundred thirty million, five hundred forty-five thousand, six hundred fifty".