315809812032 has 112 divisors (see below), whose sum is σ = 981660654912. Its totient is φ = 88338401280.

The previous prime is 315809811979. The next prime is 315809812049. The reversal of 315809812032 is 230218908513.

It is a happy number.

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, 5723743 + ... + 5778654.

It is an arithmetic number, because the mean of its divisors is an integer number (8764827276).

Almost surely, 2^315809812032 is an apocalyptic number.

315809812032 is a gapful number since it is divisible by the number (32) formed by its first and last digit.

It is an amenable number.

315809812032 is an abundant number, since it is smaller than the sum of its proper divisors (665850842880).

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

315809812032 is a wasteful number, since it uses less digits than its factorization.

315809812032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11502436 (or 11502426 counting only the distinct ones).

The product of its (nonzero) digits is 103680, while the sum is 42.

The spelling of 315809812032 in words is "three hundred fifteen billion, eight hundred nine million, eight hundred twelve thousand, thirty-two".