253117715103 has 60 divisors (see below), whose sum is σ = 440061153840. Its totient is φ = 144380776320.

The previous prime is 253117715093. The next prime is 253117715203. The reversal of 253117715103 is 301517711352.

253117715103 is a `hidden beast` number, since 2 + 531 + 1 + 7 + 7 + 15 + 103 = 666.

It is not a de Polignac number, because 253117715103 - 2²² = 253113520799 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (253117715203) by changing a digit.

It is a polite number, since it can be written in 59 ways as a sum of consecutive naturals, for example, 592963 + ... + 926196.

It is an arithmetic number, because the mean of its divisors is an integer number (7334352564).

Almost surely, 2^253117715103 is an apocalyptic number.

253117715103 is a deficient number, since it is larger than the sum of its proper divisors (186943438737).

253117715103 is a wasteful number, since it uses less digits than its factorization.

253117715103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1519210 (or 1519190 counting only the distinct ones).

The product of its (nonzero) digits is 22050, while the sum is 36.

The spelling of 253117715103 in words is "two hundred fifty-three billion, one hundred seventeen million, seven hundred fifteen thousand, one hundred three".