255254755191 has 16 divisors (see below), whose sum is σ = 351399932928. Its totient is φ = 164642256000.

The previous prime is 255254755169. The next prime is 255254755247. The reversal of 255254755191 is 191557452552.

It is not a de Polignac number, because 255254755191 - 2⁶ = 255254755127 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (255254755291) 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, 86916 + ... + 719766.

It is an arithmetic number, because the mean of its divisors is an integer number (21962495808).

Almost surely, 2^255254755191 is an apocalyptic number.

255254755191 is a deficient number, since it is larger than the sum of its proper divisors (96145177737).

255254755191 is a wasteful number, since it uses less digits than its factorization.

255254755191 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 637222.

The product of its digits is 3150000, while the sum is 51.

The spelling of 255254755191 in words is "two hundred fifty-five billion, two hundred fifty-four million, seven hundred fifty-five thousand, one hundred ninety-one".