315333063971855 has 4 divisors (see below), whose sum is σ = 378399676766232. Its totient is φ = 252266451177480.

The previous prime is 315333063971839. The next prime is 315333063971903. The reversal of 315333063971855 is 558179360333513.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 315333063971855 - 2⁴ = 315333063971839 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 31533306397181 + ... + 31533306397190.

It is an arithmetic number, because the mean of its divisors is an integer number (94599919191558).

Almost surely, 2^{315333063971855} is an apocalyptic number.

315333063971855 is a deficient number, since it is larger than the sum of its proper divisors (63066612794377).

315333063971855 is an equidigital number, since it uses as much as digits as its factorization.

315333063971855 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63066612794376.

The product of its (nonzero) digits is 91854000, while the sum is 62.

The spelling of 315333063971855 in words is "three hundred fifteen trillion, three hundred thirty-three billion, sixty-three million, nine hundred seventy-one thousand, eight hundred fifty-five".