255022401021255 has 96 divisors (see below), whose sum is σ = 527157676071936. Its totient is φ = 111511677860352.

The previous prime is 255022401021251. The next prime is 255022401021391. The reversal of 255022401021255 is 552120104220552.

255022401021255 is a `hidden beast` number, since 2 + 5 + 502 + 2 + 40 + 102 + 1 + 2 + 5 + 5 = 666.

It is not a de Polignac number, because 255022401021255 - 2² = 255022401021251 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (255022401021251) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 1069771704 + ... + 1070010066.

It is an arithmetic number, because the mean of its divisors is an integer number (5491225792416).

Almost surely, 2^{255022401021255} is an apocalyptic number.

255022401021255 is an abundant number, since it is smaller than the sum of its proper divisors (272135275050681).

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

255022401021255 is a wasteful number, since it uses less digits than its factorization.

255022401021255 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 386077 (or 386074 counting only the distinct ones).

The product of its (nonzero) digits is 80000, while the sum is 36.

The spelling of 255022401021255 in words is "two hundred fifty-five trillion, twenty-two billion, four hundred one million, twenty-one thousand, two hundred fifty-five".