253765877887155 has 16 divisors (see below), whose sum is σ = 406037530289664. Its totient is φ = 135337759649760.

The previous prime is 253765877887139. The next prime is 253765877887189. The reversal of 253765877887155 is 551788778567352.

253765877887155 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 253765877887155 - 2⁴ = 253765877887139 is a prime.

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, 252099081 + ... + 253103690.

It is an arithmetic number, because the mean of its divisors is an integer number (25377345643104).

Almost surely, 2^{253765877887155} is an apocalyptic number.

253765877887155 is a deficient number, since it is larger than the sum of its proper divisors (152271652402509).

253765877887155 is a wasteful number, since it uses less digits than its factorization.

253765877887155 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 505236266.

The product of its digits is 27659520000, while the sum is 84.

The spelling of 253765877887155 in words is "two hundred fifty-three trillion, seven hundred sixty-five billion, eight hundred seventy-seven million, eight hundred eighty-seven thousand, one hundred fifty-five".