253311604172 has 36 divisors (see below), whose sum is σ = 487491046728. Its totient is φ = 115086681600.

The previous prime is 253311604163. The next prime is 253311604199. The reversal of 253311604172 is 271406113352.

253311604172 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 898847 + ... + 1146537.

Almost surely, 2^253311604172 is an apocalyptic number.

253311604172 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

253311604172 is a deficient number, since it is larger than the sum of its proper divisors (234179442556).

253311604172 is a wasteful number, since it uses less digits than its factorization.

253311604172 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 249830 (or 249817 counting only the distinct ones).

The product of its (nonzero) digits is 30240, while the sum is 35.

The spelling of 253311604172 in words is "two hundred fifty-three billion, three hundred eleven million, six hundred four thousand, one hundred seventy-two".