315535566428 has 12 divisors (see below), whose sum is σ = 554071841400. Its totient is φ = 157229326032.

The previous prime is 315535566371. The next prime is 315535566443. The reversal of 315535566428 is 824665535513.

It is a self number, because there is not a number n which added to its sum of digits gives 315535566428.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 134612978 + ... + 134615321.

It is an arithmetic number, because the mean of its divisors is an integer number (46172653450).

Almost surely, 2^315535566428 is an apocalyptic number.

It is an amenable number.

315535566428 is a deficient number, since it is larger than the sum of its proper divisors (238536274972).

315535566428 is a wasteful number, since it uses less digits than its factorization.

315535566428 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 269228596 (or 269228594 counting only the distinct ones).

The product of its digits is 12960000, while the sum is 53.

The spelling of 315535566428 in words is "three hundred fifteen billion, five hundred thirty-five million, five hundred sixty-six thousand, four hundred twenty-eight".