255694279512 has 64 divisors (see below), whose sum is σ = 731695104000. Its totient is φ = 72941506560.

The previous prime is 255694279487. The next prime is 255694279513. The reversal of 255694279512 is 215972496552.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (255694279513) 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, 1079512 + ... + 1294887.

It is an arithmetic number, because the mean of its divisors is an integer number (11432736000).

Almost surely, 2^255694279512 is an apocalyptic number.

It is an amenable number.

255694279512 is an abundant number, since it is smaller than the sum of its proper divisors (476000824488).

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

255694279512 is a wasteful number, since it uses less digits than its factorization.

255694279512 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2375056 (or 2375052 counting only the distinct ones).

The product of its digits is 13608000, while the sum is 57.

The spelling of 255694279512 in words is "two hundred fifty-five billion, six hundred ninety-four million, two hundred seventy-nine thousand, five hundred twelve".