315072565665 has 64 divisors (see below), whose sum is σ = 592889552640. Its totient is φ = 140858818560.

The previous prime is 315072565651. The next prime is 315072565711. The reversal of 315072565665 is 566565270513.

It is not a de Polignac number, because 315072565665 - 2⁷ = 315072565537 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1913649 + ... + 2071761.

It is an arithmetic number, because the mean of its divisors is an integer number (9263899260).

Almost surely, 2^315072565665 is an apocalyptic number.

It is an amenable number.

315072565665 is a deficient number, since it is larger than the sum of its proper divisors (277816986975).

315072565665 is a wasteful number, since it uses less digits than its factorization.

315072565665 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 159074.

The product of its (nonzero) digits is 5670000, while the sum is 51.

The spelling of 315072565665 in words is "three hundred fifteen billion, seventy-two million, five hundred sixty-five thousand, six hundred sixty-five".