315656879385 has 8 divisors (see below), whose sum is σ = 505051007040. Its totient is φ = 168350335664.

The previous prime is 315656879311. The next prime is 315656879437. The reversal of 315656879385 is 583978656513.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 315656879385 - 2⁸ = 315656879129 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10521895965 + ... + 10521895994.

It is an arithmetic number, because the mean of its divisors is an integer number (63131375880).

Almost surely, 2^315656879385 is an apocalyptic number.

It is an amenable number.

315656879385 is a deficient number, since it is larger than the sum of its proper divisors (189394127655).

315656879385 is a wasteful number, since it uses less digits than its factorization.

315656879385 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21043791967.

The product of its digits is 163296000, while the sum is 66.

The spelling of 315656879385 in words is "three hundred fifteen billion, six hundred fifty-six million, eight hundred seventy-nine thousand, three hundred eighty-five".