4113644431525 has 12 divisors (see below), whose sum is σ = 5187375352800. Its totient is φ = 3235137314480.

The previous prime is 4113644431517. The next prime is 4113644431541. The reversal of 4113644431525 is 5251344463114.

It is not a de Polignac number, because 4113644431525 - 2³ = 4113644431517 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1394454265 + ... + 1394457214.

It is an arithmetic number, because the mean of its divisors is an integer number (432281279400).

Almost surely, 2^{4113644431525} is an apocalyptic number.

It is an amenable number.

4113644431525 is a deficient number, since it is larger than the sum of its proper divisors (1073730921275).

4113644431525 is a wasteful number, since it uses less digits than its factorization.

4113644431525 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2788911548 (or 2788911543 counting only the distinct ones).

The product of its digits is 691200, while the sum is 43.

Adding to 4113644431525 its reverse (5251344463114), we get a palindrome (9364988894639).

The spelling of 4113644431525 in words is "four trillion, one hundred thirteen billion, six hundred forty-four million, four hundred thirty-one thousand, five hundred twenty-five".