13525534544031 has 20 divisors (see below), whose sum is σ = 20204944126752. Its totient is φ = 9016963555968.

The previous prime is 13525534544023. The next prime is 13525534544033. The reversal of 13525534544031 is 13044543552531.

13525534544031 is a `hidden beast` number, since 1 + 3 + 5 + 2 + 553 + 4 + 54 + 40 + 3 + 1 = 666.

It is not a de Polignac number, because 13525534544031 - 2³ = 13525534544023 is a prime.

It is a super-2 number, since 2×13525534544031² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13525534544033) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 14244586 + ... + 15164408.

Almost surely, 2^{13525534544031} is an apocalyptic number.

13525534544031 is a deficient number, since it is larger than the sum of its proper divisors (6679409582721).

13525534544031 is an equidigital number, since it uses as much as digits as its factorization.

13525534544031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1101372 (or 1101363 counting only the distinct ones).

The product of its (nonzero) digits is 2160000, while the sum is 45.

The spelling of 13525534544031 in words is "thirteen trillion, five hundred twenty-five billion, five hundred thirty-four million, five hundred forty-four thousand, thirty-one".