256255804875 has 192 divisors, whose sum is σ = 544612543488. Its totient is φ = 104445158400.

The previous prime is 256255804867. The next prime is 256255804957. The reversal of 256255804875 is 578408552652.

256255804875 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 256255804875 - 2³ = 256255804867 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (57).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 16101672 + ... + 16117578.

It is an arithmetic number, because the mean of its divisors is an integer number (2836523664).

Almost surely, 2^256255804875 is an apocalyptic number.

256255804875 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

256255804875 is an abundant number, since it is smaller than the sum of its proper divisors (288356738613).

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

256255804875 is a wasteful number, since it uses less digits than its factorization.

256255804875 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15987 (or 15958 counting only the distinct ones).

The product of its (nonzero) digits is 26880000, while the sum is 57.

The spelling of 256255804875 in words is "two hundred fifty-six billion, two hundred fifty-five million, eight hundred four thousand, eight hundred seventy-five".