5665565506564 has 48 divisors (see below), whose sum is σ = 10616855276160. Its totient is φ = 2639367244800.

The previous prime is 5665565506529. The next prime is 5665565506589. The reversal of 5665565506564 is 4656055655665.

It is a junction number, because it is equal to n+sod(n) for n = 5665565506496 and 5665565506505.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3501837 + ... + 4857364.

It is an arithmetic number, because the mean of its divisors is an integer number (221184484920).

Almost surely, 2^{5665565506564} is an apocalyptic number.

It is an amenable number.

5665565506564 is a deficient number, since it is larger than the sum of its proper divisors (4951289769596).

5665565506564 is a wasteful number, since it uses less digits than its factorization.

5665565506564 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8359420 (or 8359418 counting only the distinct ones).

The product of its (nonzero) digits is 486000000, while the sum is 64.

The spelling of 5665565506564 in words is "five trillion, six hundred sixty-five billion, five hundred sixty-five million, five hundred six thousand, five hundred sixty-four".