13140311543525 has 24 divisors (see below), whose sum is σ = 16316530806144. Its totient is φ = 10497708734400.

The previous prime is 13140311543497. The next prime is 13140311543573. The reversal of 13140311543525 is 52534511304131.

It is not a de Polignac number, because 13140311543525 - 2⁸ = 13140311543269 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 129798227 + ... + 129899423.

It is an arithmetic number, because the mean of its divisors is an integer number (679855450256).

Almost surely, 2^{13140311543525} is an apocalyptic number.

It is an amenable number.

13140311543525 is a deficient number, since it is larger than the sum of its proper divisors (3176219262619).

13140311543525 is a wasteful number, since it uses less digits than its factorization.

13140311543525 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 108341 (or 108336 counting only the distinct ones).

The product of its (nonzero) digits is 108000, while the sum is 38.

Adding to 13140311543525 its reverse (52534511304131), we get a palindrome (65674822847656).

The spelling of 13140311543525 in words is "thirteen trillion, one hundred forty billion, three hundred eleven million, five hundred forty-three thousand, five hundred twenty-five".