215225828704 has 24 divisors (see below), whose sum is σ = 424843884360. Its totient is φ = 107328969216.

The previous prime is 215225828689. The next prime is 215225828821. The reversal of 215225828704 is 407828522512.

215225828704 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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, 8860969 + ... + 8885224.

It is an arithmetic number, because the mean of its divisors is an integer number (17701828515).

Almost surely, 2^215225828704 is an apocalyptic number.

It is an amenable number.

215225828704 is a deficient number, since it is larger than the sum of its proper divisors (209618055656).

215225828704 is a wasteful number, since it uses less digits than its factorization.

215225828704 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17746582 (or 17746574 counting only the distinct ones).

The product of its (nonzero) digits is 716800, while the sum is 46.

The spelling of 215225828704 in words is "two hundred fifteen billion, two hundred twenty-five million, eight hundred twenty-eight thousand, seven hundred four".