253121271242514 has 16 divisors (see below), whose sum is σ = 528253087810752. Its totient is φ = 80705332859888.

The previous prime is 253121271242507. The next prime is 253121271242561. The reversal of 253121271242514 is 415242172121352.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 917106055089 + ... + 917106055364.

It is an arithmetic number, because the mean of its divisors is an integer number (33015817988172).

Almost surely, 2^{253121271242514} is an apocalyptic number.

253121271242514 is an abundant number, since it is smaller than the sum of its proper divisors (275131816568238).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

253121271242514 is a wasteful number, since it uses less digits than its factorization.

253121271242514 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1834212110481.

The product of its digits is 268800, while the sum is 42.

The spelling of 253121271242514 in words is "two hundred fifty-three trillion, one hundred twenty-one billion, two hundred seventy-one million, two hundred forty-two thousand, five hundred fourteen".