315545461656564 has 24 divisors (see below), whose sum is σ = 737240250777408. Its totient is φ = 105043605279040.

The previous prime is 315545461656527. The next prime is 315545461656577. The reversal of 315545461656564 is 465656164545513.

It is a junction number, because it is equal to n+sod(n) for n = 315545461656495 and 315545461656504.

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, 17276899632 + ... + 17276917895.

It is an arithmetic number, because the mean of its divisors is an integer number (30718343782392).

Almost surely, 2^{315545461656564} is an apocalyptic number.

It is an amenable number.

315545461656564 is an abundant number, since it is smaller than the sum of its proper divisors (421694789120844).

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

315545461656564 is a wasteful number, since it uses less digits than its factorization.

315545461656564 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34553818295 (or 34553818293 counting only the distinct ones).

The product of its digits is 777600000, while the sum is 66.

The spelling of 315545461656564 in words is "three hundred fifteen trillion, five hundred forty-five billion, four hundred sixty-one million, six hundred fifty-six thousand, five hundred sixty-four".