13231234540525 has 24 divisors (see below), whose sum is σ = 16561029070944. Its totient is φ = 10485451905600.

The previous prime is 13231234540501. The next prime is 13231234540543. The reversal of 13231234540525 is 52504543213231.

It is not a de Polignac number, because 13231234540525 - 2¹⁹ = 13231234016237 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 48927334 + ... + 49197016.

It is an arithmetic number, because the mean of its divisors is an integer number (690042877956).

Almost surely, 2^{13231234540525} is an apocalyptic number.

It is an amenable number.

13231234540525 is a deficient number, since it is larger than the sum of its proper divisors (3329794530419).

13231234540525 is a wasteful number, since it uses less digits than its factorization.

13231234540525 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 288141 (or 288136 counting only the distinct ones).

The product of its (nonzero) digits is 432000, while the sum is 40.

Adding to 13231234540525 its reverse (52504543213231), we get a palindrome (65735777753756).

The spelling of 13231234540525 in words is "thirteen trillion, two hundred thirty-one billion, two hundred thirty-four million, five hundred forty thousand, five hundred twenty-five".