556371315318080 has 56 divisors (see below), whose sum is σ = 1324868777076552. Its totient is φ = 222546916472832.

The previous prime is 556371315318079. The next prime is 556371315318121. The reversal of 556371315318080 is 80813513173655.

It can be written as a sum of positive squares in 4 ways, for example, as 32470121441536 + 523901193876544 = 5698256^2 + 22888888^2 .

It is a congruent number.

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, 38522354 + ... + 50957966.

Almost surely, 2^{556371315318080} is an apocalyptic number.

It is an amenable number.

556371315318080 is an abundant number, since it is smaller than the sum of its proper divisors (768497461758472).

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

556371315318080 is a wasteful number, since it uses less digits than its factorization.

556371315318080 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12575443 (or 12575433 counting only the distinct ones).

The product of its (nonzero) digits is 9072000, while the sum is 56.

The spelling of 556371315318080 in words is "five hundred fifty-six trillion, three hundred seventy-one billion, three hundred fifteen million, three hundred eighteen thousand, eighty".