2531117053745 has 96 divisors (see below), whose sum is σ = 3682860652800. Its totient is φ = 1633914100224.

The previous prime is 2531117053733. The next prime is 2531117053753. The reversal of 2531117053745 is 5473507111352.

It is not a de Polignac number, because 2531117053745 - 2¹⁰ = 2531117052721 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2531117053696 and 2531117053705.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 634522211 + ... + 634526199.

It is an arithmetic number, because the mean of its divisors is an integer number (38363131800).

Almost surely, 2^{2531117053745} is an apocalyptic number.

It is an amenable number.

2531117053745 is a deficient number, since it is larger than the sum of its proper divisors (1151743599055).

2531117053745 is a wasteful number, since it uses less digits than its factorization.

2531117053745 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4407 (or 4360 counting only the distinct ones).

The product of its (nonzero) digits is 441000, while the sum is 44.

The spelling of 2531117053745 in words is "two trillion, five hundred thirty-one billion, one hundred seventeen million, fifty-three thousand, seven hundred forty-five".