253430351021255 has 16 divisors (see below), whose sum is σ = 306131598811584. Its totient is φ = 201400839283200.

The previous prime is 253430351021219. The next prime is 253430351021269. The reversal of 253430351021255 is 552120153034352.

253430351021255 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 253430351021255 - 2³² = 253426056053959 is a prime.

It is a Duffinian number.

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, 280784669 + ... + 281685801.

It is an arithmetic number, because the mean of its divisors is an integer number (19133224925724).

Almost surely, 2^{253430351021255} is an apocalyptic number.

253430351021255 is a deficient number, since it is larger than the sum of its proper divisors (52701247790329).

253430351021255 is a wasteful number, since it uses less digits than its factorization.

253430351021255 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1273786.

The product of its (nonzero) digits is 540000, while the sum is 41.

The spelling of 253430351021255 in words is "two hundred fifty-three trillion, four hundred thirty billion, three hundred fifty-one million, twenty-one thousand, two hundred fifty-five".