256001266125202 has 16 divisors (see below), whose sum is σ = 413560070622720. Its totient is φ = 118148840860752.

The previous prime is 256001266125179. The next prime is 256001266125217. The reversal of 256001266125202 is 202521662100652.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 232342258 + ... + 233441485.

It is an arithmetic number, because the mean of its divisors is an integer number (25847504413920).

Almost surely, 2^{256001266125202} is an apocalyptic number.

256001266125202 is a deficient number, since it is larger than the sum of its proper divisors (157558804497518).

256001266125202 is a wasteful number, since it uses less digits than its factorization.

256001266125202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 465804897.

The product of its (nonzero) digits is 172800, while the sum is 40.

The spelling of 256001266125202 in words is "two hundred fifty-six trillion, one billion, two hundred sixty-six million, one hundred twenty-five thousand, two hundred two".