565511565056 has 36 divisors (see below), whose sum is σ = 1137431069544. Its totient is φ = 280597324800.

The previous prime is 565511565023. The next prime is 565511565103. The reversal of 565511565056 is 650565115565.

It is a junction number, because it is equal to n+sod(n) for n = 565511564995 and 565511565013.

It is a congruent number.

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, 8397875 + ... + 8464946.

Almost surely, 2^565511565056 is an apocalyptic number.

It is an amenable number.

565511565056 is an abundant number, since it is smaller than the sum of its proper divisors (571919504488).

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

565511565056 is a wasteful number, since it uses less digits than its factorization.

565511565056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16862968 (or 16862954 counting only the distinct ones).

The product of its (nonzero) digits is 3375000, while the sum is 50.

The spelling of 565511565056 in words is "five hundred sixty-five billion, five hundred eleven million, five hundred sixty-five thousand, fifty-six".