315855157880 has 32 divisors (see below), whose sum is σ = 710780637600. Its totient is φ = 126323124096.

The previous prime is 315855157853. The next prime is 315855157903. The reversal of 315855157880 is 88751558513.

It is a super-3 number, since 3×315855157880³ (a number of 35 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 320132 + ... + 856851.

It is an arithmetic number, because the mean of its divisors is an integer number (22211894925).

Almost surely, 2^315855157880 is an apocalyptic number.

It is an amenable number.

315855157880 is an abundant number, since it is smaller than the sum of its proper divisors (394925479720).

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

315855157880 is a wasteful number, since it uses less digits than its factorization.

315855157880 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1183703 (or 1183699 counting only the distinct ones).

The product of its (nonzero) digits is 6720000, while the sum is 56.

The spelling of 315855157880 in words is "three hundred fifteen billion, eight hundred fifty-five million, one hundred fifty-seven thousand, eight hundred eighty".