255405555025002 has 32 divisors (see below), whose sum is σ = 567574827159360. Its totient is φ = 85134145942800.

The previous prime is 255405555024973. The next prime is 255405555025067. The reversal of 255405555025002 is 200520555504552.

It is a happy number.

255405555025002 is a `hidden beast` number, since 2 + 5 + 5 + 40 + 5 + 5 + 550 + 2 + 50 + 0 + 2 = 666.

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, 24391153 + ... + 33252660.

It is an arithmetic number, because the mean of its divisors is an integer number (17736713348730).

Almost surely, 2^{255405555025002} is an apocalyptic number.

255405555025002 is an abundant number, since it is smaller than the sum of its proper divisors (312169272134358).

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

255405555025002 is a wasteful number, since it uses less digits than its factorization.

255405555025002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57725875 (or 57725869 counting only the distinct ones).

The product of its (nonzero) digits is 2500000, while the sum is 45.

The spelling of 255405555025002 in words is "two hundred fifty-five trillion, four hundred five billion, five hundred fifty-five million, twenty-five thousand, two".