255118512766 has 32 divisors (see below), whose sum is σ = 414340119648. Its totient is φ = 117112504320.

The previous prime is 255118512721. The next prime is 255118512809. The reversal of 255118512766 is 667215811552.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4468621 + ... + 4525351.

It is an arithmetic number, because the mean of its divisors is an integer number (12948128739).

Almost surely, 2^255118512766 is an apocalyptic number.

255118512766 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

255118512766 is a deficient number, since it is larger than the sum of its proper divisors (159221606882).

255118512766 is a wasteful number, since it uses less digits than its factorization.

255118512766 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57676.

The product of its digits is 1008000, while the sum is 49.

The spelling of 255118512766 in words is "two hundred fifty-five billion, one hundred eighteen million, five hundred twelve thousand, seven hundred sixty-six".