15112615056 has 80 divisors (see below), whose sum is σ = 48674408448. Its totient is φ = 3925353600.

The previous prime is 15112615033. The next prime is 15112615057. The reversal of 15112615056 is 65051621151.

It is a super-2 number, since 2×15112615056² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is not an unprimeable number, because it can be changed into a prime (15112615057) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2040760 + ... + 2048151.

Almost surely, 2^15112615056 is an apocalyptic number.

15112615056 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

15112615056 is an abundant number, since it is smaller than the sum of its proper divisors (33561793392).

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

15112615056 is a wasteful number, since it uses less digits than its factorization.

15112615056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4088940 (or 4088934 counting only the distinct ones).

The product of its (nonzero) digits is 9000, while the sum is 33.

The spelling of 15112615056 in words is "fifteen billion, one hundred twelve million, six hundred fifteen thousand, fifty-six".