253321130434455 has 32 divisors (see below), whose sum is σ = 450349505982720. Its totient is φ = 135104354002080.

The previous prime is 253321130434441. The next prime is 253321130434483. The reversal of 253321130434455 is 554434031123352.

253321130434455 is a `hidden beast` number, since 2 + 5 + 3 + 3 + 21 + 130 + 43 + 4 + 455 = 666.

It is not a de Polignac number, because 253321130434455 - 2⁶ = 253321130434391 is a prime.

It is a super-2 number, since 2×253321130434455² (a number of 30 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 253321130434455.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 89648824 + ... + 92431346.

It is an arithmetic number, because the mean of its divisors is an integer number (14073422061960).

Almost surely, 2^{253321130434455} is an apocalyptic number.

253321130434455 is a deficient number, since it is larger than the sum of its proper divisors (197028375548265).

253321130434455 is a wasteful number, since it uses less digits than its factorization.

253321130434455 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3456908 (or 3456902 counting only the distinct ones).

The product of its (nonzero) digits is 2592000, while the sum is 45.

The spelling of 253321130434455 in words is "two hundred fifty-three trillion, three hundred twenty-one billion, one hundred thirty million, four hundred thirty-four thousand, four hundred fifty-five".