253404537117 has 16 divisors (see below), whose sum is σ = 353549541888. Its totient is φ = 161247248640.

The previous prime is 253404537017. The next prime is 253404537143. The reversal of 253404537117 is 711735404352.

It is not a de Polignac number, because 253404537117 - 2⁷ = 253404536989 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (253404537167) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 18656088 + ... + 18669665.

It is an arithmetic number, because the mean of its divisors is an integer number (22096846368).

Almost surely, 2^253404537117 is an apocalyptic number.

It is an amenable number.

253404537117 is a deficient number, since it is larger than the sum of its proper divisors (100145004771).

253404537117 is a wasteful number, since it uses less digits than its factorization.

253404537117 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37325860.

The product of its (nonzero) digits is 352800, while the sum is 42.

The spelling of 253404537117 in words is "two hundred fifty-three billion, four hundred four million, five hundred thirty-seven thousand, one hundred seventeen".