13231252045464 has 64 divisors (see below), whose sum is σ = 33130024012800. Its totient is φ = 4403502561024.

The previous prime is 13231252045447. The next prime is 13231252045519. The reversal of 13231252045464 is 46454025213231.

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 15 ways as a sum of consecutive naturals, for example, 48549772 + ... + 48821540.

It is an arithmetic number, because the mean of its divisors is an integer number (517656625200).

Almost surely, 2^{13231252045464} is an apocalyptic number.

It is an amenable number.

13231252045464 is an abundant number, since it is smaller than the sum of its proper divisors (19898771967336).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

13231252045464 is a wasteful number, since it uses less digits than its factorization.

13231252045464 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 274952 (or 274948 counting only the distinct ones).

The product of its (nonzero) digits is 691200, while the sum is 42.

Adding to 13231252045464 its reverse (46454025213231), we get a palindrome (59685277258695).

The spelling of 13231252045464 in words is "thirteen trillion, two hundred thirty-one billion, two hundred fifty-two million, forty-five thousand, four hundred sixty-four".