1156100016 has 80 divisors (see below), whose sum is σ = 3033448704. Its totient is φ = 379368192.

The previous prime is 1156100009. The next prime is 1156100027. The reversal of 1156100016 is 6100016511.

It is a junction number, because it is equal to n+sod(n) for n = 1156099965 and 1156100001.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 973375 + ... + 974561.

Almost surely, 2^1156100016 is an apocalyptic number.

1156100016 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1156100016, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1516724352).

1156100016 is an abundant number, since it is smaller than the sum of its proper divisors (1877348688).

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

1156100016 is a wasteful number, since it uses less digits than its factorization.

1156100016 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1498 (or 1492 counting only the distinct ones).

The product of its (nonzero) digits is 180, while the sum is 21.

The square root of 1156100016 is about 34001.4707917172. The cubic root of 1156100016 is about 1049.5387289099.

Adding to 1156100016 its reverse (6100016511), we get a palindrome (7256116527).

The spelling of 1156100016 in words is "one billion, one hundred fifty-six million, one hundred thousand, sixteen".