256526122605303 has 16 divisors (see below), whose sum is σ = 362704077711360. Its totient is φ = 160713321933696.

The previous prime is 256526122605287. The next prime is 256526122605343. The reversal of 256526122605303 is 303506221625652.

It is not a de Polignac number, because 256526122605303 - 2⁴ = 256526122605287 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (256526122605343) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3816297175 + ... + 3816364392.

It is an arithmetic number, because the mean of its divisors is an integer number (22669004856960).

Almost surely, 2^{256526122605303} is an apocalyptic number.

256526122605303 is a deficient number, since it is larger than the sum of its proper divisors (106177955106057).

256526122605303 is a wasteful number, since it uses less digits than its factorization.

256526122605303 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7632662246.

The product of its (nonzero) digits is 3888000, while the sum is 48.

The spelling of 256526122605303 in words is "two hundred fifty-six trillion, five hundred twenty-six billion, one hundred twenty-two million, six hundred five thousand, three hundred three".