56156551016 has 32 divisors (see below), whose sum is σ = 109161259200. Its totient is φ = 27063384960.

The previous prime is 56156551001. The next prime is 56156551063. The reversal of 56156551016 is 61015565165.

56156551016 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×56156551016² (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (41).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1004156 + ... + 1058603.

It is an arithmetic number, because the mean of its divisors is an integer number (3411289350).

Almost surely, 2^56156551016 is an apocalyptic number.

It is an amenable number.

56156551016 is a deficient number, since it is larger than the sum of its proper divisors (53004708184).

56156551016 is a wasteful number, since it uses less digits than its factorization.

56156551016 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2062889 (or 2062885 counting only the distinct ones).

The product of its (nonzero) digits is 135000, while the sum is 41.

The spelling of 56156551016 in words is "fifty-six billion, one hundred fifty-six million, five hundred fifty-one thousand, sixteen".