251040602285 has 16 divisors (see below), whose sum is σ = 342923448960. Its totient is φ = 174636939840.

The previous prime is 251040602221. The next prime is 251040602311. The reversal of 251040602285 is 582206040152.

It is not a de Polignac number, because 251040602285 - 2⁶ = 251040602221 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 99224270 + ... + 99226799.

It is an arithmetic number, because the mean of its divisors is an integer number (21432715560).

Almost surely, 2^251040602285 is an apocalyptic number.

It is an amenable number.

251040602285 is a deficient number, since it is larger than the sum of its proper divisors (91882846675).

251040602285 is a wasteful number, since it uses less digits than its factorization.

251040602285 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 198451108.

The product of its (nonzero) digits is 38400, while the sum is 35.

The spelling of 251040602285 in words is "two hundred fifty-one billion, forty million, six hundred two thousand, two hundred eighty-five".