256734255511062 has 48 divisors (see below), whose sum is σ = 635730199303680. Its totient is φ = 73351804328496.

The previous prime is 256734255510979. The next prime is 256734255511091. The reversal of 256734255511062 is 260115552437652.

256734255511062 is a `hidden beast` number, since 2 + 5 + 6 + 7 + 3 + 4 + 25 + 551 + 1 + 0 + 62 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 581262 + ... + 22667297.

It is an arithmetic number, because the mean of its divisors is an integer number (13244379152160).

Almost surely, 2^{256734255511062} is an apocalyptic number.

256734255511062 is an abundant number, since it is smaller than the sum of its proper divisors (378995943792618).

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

256734255511062 is a wasteful number, since it uses less digits than its factorization.

256734255511062 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23336217 (or 23336214 counting only the distinct ones).

The product of its (nonzero) digits is 15120000, while the sum is 54.

The spelling of 256734255511062 in words is "two hundred fifty-six trillion, seven hundred thirty-four billion, two hundred fifty-five million, five hundred eleven thousand, sixty-two".