565285448904856 has 16 divisors (see below), whose sum is σ = 1059938070793200. Its totient is φ = 282635296693344.

The previous prime is 565285448904851. The next prime is 565285448904859. The reversal of 565285448904856 is 658409844582565.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (565285448904851) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 928146436 + ... + 928755283.

It is an arithmetic number, because the mean of its divisors is an integer number (66246129424575).

Almost surely, 2^{565285448904856} is an apocalyptic number.

It is an amenable number.

565285448904856 is a deficient number, since it is larger than the sum of its proper divisors (494652621888344).

565285448904856 is a wasteful number, since it uses less digits than its factorization.

565285448904856 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1856939778 (or 1856939774 counting only the distinct ones).

The product of its (nonzero) digits is 13271040000, while the sum is 79.

The spelling of 565285448904856 in words is "five hundred sixty-five trillion, two hundred eighty-five billion, four hundred forty-eight million, nine hundred four thousand, eight hundred fifty-six".