13125544552131 has 12 divisors (see below), whose sum is σ = 19236335267016. Its totient is φ = 7954875485920.

The previous prime is 13125544552019. The next prime is 13125544552181.

13125544552131 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 13125544552131 - 2²¹ = 13125542454979 is a prime.

It is a super-2 number, since 2×13125544552131² (a number of 27 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (13125544552181) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 18079262106 + ... + 18079262831.

It is an arithmetic number, because the mean of its divisors is an integer number (1603027938918).

Almost surely, 2^{13125544552131} is an apocalyptic number.

13125544552131 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

13125544552131 is a deficient number, since it is larger than the sum of its proper divisors (6110790714885).

13125544552131 is a wasteful number, since it uses less digits than its factorization.

13125544552131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36158524962 (or 36158524951 counting only the distinct ones).

The product of its digits is 360000, while the sum is 42.

It can be divided in two parts, 1312554 and 4552131, that added together give a palindrome (5864685).

The spelling of 13125544552131 in words is "thirteen trillion, one hundred twenty-five billion, five hundred forty-four million, five hundred fifty-two thousand, one hundred thirty-one".