56156101611564 has 24 divisors (see below), whose sum is σ = 131452225003008. Its totient is φ = 18658511788240.

The previous prime is 56156101611551. The next prime is 56156101611607. The reversal of 56156101611564 is 46511610165165.

It is a super-4 number, since 4×56156101611564⁴ (a number of 56 digits) contains 4444 as substring.

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, 7523589732 + ... + 7523597195.

It is an arithmetic number, because the mean of its divisors is an integer number (5477176041792).

Almost surely, 2^{56156101611564} is an apocalyptic number.

It is an amenable number.

56156101611564 is an abundant number, since it is smaller than the sum of its proper divisors (75296123391444).

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

56156101611564 is a wasteful number, since it uses less digits than its factorization.

56156101611564 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15047187245 (or 15047187243 counting only the distinct ones).

The product of its (nonzero) digits is 648000, while the sum is 48.

The spelling of 56156101611564 in words is "fifty-six trillion, one hundred fifty-six billion, one hundred one million, six hundred eleven thousand, five hundred sixty-four".