4431115251013 has 32 divisors (see below), whose sum is σ = 5013522438912. Its totient is φ = 3880853222400.

The previous prime is 4431115251007. The next prime is 4431115251023. The reversal of 4431115251013 is 3101525111344.

It is a happy number.

It is not a de Polignac number, because 4431115251013 - 2²⁵ = 4431081696581 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4431115251023) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 46541328 + ... + 46636438.

It is an arithmetic number, because the mean of its divisors is an integer number (156672576216).

Almost surely, 2^{4431115251013} is an apocalyptic number.

It is an amenable number.

4431115251013 is a deficient number, since it is larger than the sum of its proper divisors (582407187899).

4431115251013 is a wasteful number, since it uses less digits than its factorization.

4431115251013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 96285.

The product of its (nonzero) digits is 7200, while the sum is 31.

The spelling of 4431115251013 in words is "four trillion, four hundred thirty-one billion, one hundred fifteen million, two hundred fifty-one thousand, thirteen".