15711655056 has 20 divisors (see below), whose sum is σ = 40588442352. Its totient is φ = 5237218336.

The previous prime is 15711655049. The next prime is 15711655087. The reversal of 15711655056 is 65055611751.

It is a super-2 number, since 2×15711655056² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 15711654999 and 15711655017.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 163663026 + ... + 163663121.

Almost surely, 2^15711655056 is an apocalyptic number.

15711655056 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

15711655056 is an abundant number, since it is smaller than the sum of its proper divisors (24876787296).

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

15711655056 is a wasteful number, since it uses less digits than its factorization.

15711655056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 327326158 (or 327326152 counting only the distinct ones).

The product of its (nonzero) digits is 157500, while the sum is 42.

The spelling of 15711655056 in words is "fifteen billion, seven hundred eleven million, six hundred fifty-five thousand, fifty-six".