315986905900 has 36 divisors (see below), whose sum is σ = 691759677672. Its totient is φ = 125276220160.

The previous prime is 315986905891. The next prime is 315986905919. The reversal of 315986905900 is 9509689513.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 13970422 + ... + 13993021.

It is an arithmetic number, because the mean of its divisors is an integer number (19215546602).

Almost surely, 2^315986905900 is an apocalyptic number.

It is an amenable number.

315986905900 is an abundant number, since it is smaller than the sum of its proper divisors (375772771772).

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

315986905900 is a wasteful number, since it uses less digits than its factorization.

315986905900 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27963570 (or 27963563 counting only the distinct ones).

The product of its (nonzero) digits is 2624400, while the sum is 55.

The spelling of 315986905900 in words is "three hundred fifteen billion, nine hundred eighty-six million, nine hundred five thousand, nine hundred".