253451311155434 has 48 divisors (see below), whose sum is σ = 479682190580040. Its totient is φ = 99738986941440.

The previous prime is 253451311155433. The next prime is 253451311155487. The reversal of 253451311155434 is 434551113154352.

It can be written as a sum of positive squares in 4 ways, for example, as 175518698232409 + 77932612923025 = 13248347^2 + 8827945^2 .

It is not an unprimeable number, because it can be changed into a prime (253451311155433) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1855195589 + ... + 1855332200.

Almost surely, 2^{253451311155434} is an apocalyptic number.

253451311155434 is a deficient number, since it is larger than the sum of its proper divisors (226230879424606).

253451311155434 is a wasteful number, since it uses less digits than its factorization.

253451311155434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3710527863 (or 3710527856 counting only the distinct ones).

The product of its digits is 2160000, while the sum is 47.

The spelling of 253451311155434 in words is "two hundred fifty-three trillion, four hundred fifty-one billion, three hundred eleven million, one hundred fifty-five thousand, four hundred thirty-four".