255902581255 has 32 divisors (see below), whose sum is σ = 339388185600. Its totient is φ = 184245422592.

The previous prime is 255902581241. The next prime is 255902581267. The reversal of 255902581255 is 552185209552.

It is a cyclic number.

It is not a de Polignac number, because 255902581255 - 2¹⁵ = 255902548487 is a prime.

It is a super-2 number, since 2×255902581255² (a number of 24 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 255902581199 and 255902581208.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 6939456 + ... + 6976234.

It is an arithmetic number, because the mean of its divisors is an integer number (10605880800).

Almost surely, 2^255902581255 is an apocalyptic number.

255902581255 is a deficient number, since it is larger than the sum of its proper divisors (83485604345).

255902581255 is a wasteful number, since it uses less digits than its factorization.

255902581255 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40383.

The product of its (nonzero) digits is 1800000, while the sum is 49.

The spelling of 255902581255 in words is "two hundred fifty-five billion, nine hundred two million, five hundred eighty-one thousand, two hundred fifty-five".