315522256125220 has 48 divisors (see below), whose sum is σ = 682356649363200. Its totient is φ = 122499265075200.

The previous prime is 315522256125173. The next prime is 315522256125239. The reversal of 315522256125220 is 22521652225513.

It is a super-2 number, since 2×315522256125220² (a number of 30 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1692259581 + ... + 1692446020.

It is an arithmetic number, because the mean of its divisors is an integer number (14215763528400).

Almost surely, 2^{315522256125220} is an apocalyptic number.

It is an amenable number.

315522256125220 is an abundant number, since it is smaller than the sum of its proper divisors (366834393237980).

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

315522256125220 is a wasteful number, since it uses less digits than its factorization.

315522256125220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3384705748 (or 3384705746 counting only the distinct ones).

The product of its (nonzero) digits is 720000, while the sum is 43.

The spelling of 315522256125220 in words is "three hundred fifteen trillion, five hundred twenty-two billion, two hundred fifty-six million, one hundred twenty-five thousand, two hundred twenty".