255113136464 has 20 divisors (see below), whose sum is σ = 494395752480. Its totient is φ = 127527135840.

The previous prime is 255113136419. The next prime is 255113136491. The reversal of 255113136464 is 464631311552.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1767932 + ... + 1906779.

It is an arithmetic number, because the mean of its divisors is an integer number (24719787624).

Almost surely, 2^255113136464 is an apocalyptic number.

It is an amenable number.

255113136464 is a deficient number, since it is larger than the sum of its proper divisors (239282616016).

255113136464 is a wasteful number, since it uses less digits than its factorization.

255113136464 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3679058 (or 3679052 counting only the distinct ones).

The product of its digits is 259200, while the sum is 41.

The spelling of 255113136464 in words is "two hundred fifty-five billion, one hundred thirteen million, one hundred thirty-six thousand, four hundred sixty-four".