315525705672 has 128 divisors (see below), whose sum is σ = 853431984000. Its totient is φ = 96904304640.

The previous prime is 315525705667. The next prime is 315525705731. The reversal of 315525705672 is 276507525513.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2411898 + ... + 2539350.

It is an arithmetic number, because the mean of its divisors is an integer number (6667437375).

Almost surely, 2^315525705672 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 315525705672, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (426715992000).

315525705672 is an abundant number, since it is smaller than the sum of its proper divisors (537906278328).

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

315525705672 is a wasteful number, since it uses less digits than its factorization.

315525705672 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 127631 (or 127627 counting only the distinct ones).

The product of its (nonzero) digits is 2205000, while the sum is 48.

The spelling of 315525705672 in words is "three hundred fifteen billion, five hundred twenty-five million, seven hundred five thousand, six hundred seventy-two".