255512704600172 has 24 divisors (see below), whose sum is σ = 452997737556336. Its totient is φ = 126087930526208.

The previous prime is 255512704600157. The next prime is 255512704600177. The reversal of 255512704600172 is 271006407215552.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (255512704600177) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 393542873 + ... + 394191600.

It is an arithmetic number, because the mean of its divisors is an integer number (18874905731514).

Almost surely, 2^{255512704600172} is an apocalyptic number.

It is an amenable number.

255512704600172 is a deficient number, since it is larger than the sum of its proper divisors (197485032956164).

255512704600172 is a wasteful number, since it uses less digits than its factorization.

255512704600172 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 787735537 (or 787735535 counting only the distinct ones).

The product of its (nonzero) digits is 1176000, while the sum is 47.

The spelling of 255512704600172 in words is "two hundred fifty-five trillion, five hundred twelve billion, seven hundred four million, six hundred thousand, one hundred seventy-two".