215533125304 has 32 divisors (see below), whose sum is σ = 481937425920. Its totient is φ = 88355193696.

The previous prime is 215533125287. The next prime is 215533125343. The reversal of 215533125304 is 403521335512.

It is a self number, because there is not a number n which added to its sum of digits gives 215533125304.

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, 83668404 + ... + 83670979.

It is an arithmetic number, because the mean of its divisors is an integer number (15060544560).

Almost surely, 2^215533125304 is an apocalyptic number.

It is an amenable number.

215533125304 is an abundant number, since it is smaller than the sum of its proper divisors (266404300616).

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

215533125304 is a wasteful number, since it uses less digits than its factorization.

215533125304 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 167339419 (or 167339415 counting only the distinct ones).

The product of its (nonzero) digits is 54000, while the sum is 34.

The spelling of 215533125304 in words is "two hundred fifteen billion, five hundred thirty-three million, one hundred twenty-five thousand, three hundred four".