13031265638624 has 12 divisors (see below), whose sum is σ = 25655304226104. Its totient is φ = 6515632819296.

The previous prime is 13031265638597. The next prime is 13031265638711. The reversal of 13031265638624 is 42683656213031.

It is a super-2 number, since 2×13031265638624² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 203613525572 + ... + 203613525635.

It is an arithmetic number, because the mean of its divisors is an integer number (2137942018842).

Almost surely, 2^{13031265638624} is an apocalyptic number.

It is an amenable number.

13031265638624 is a deficient number, since it is larger than the sum of its proper divisors (12624038587480).

13031265638624 is an equidigital number, since it uses as much as digits as its factorization.

13031265638624 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 407227051217 (or 407227051209 counting only the distinct ones).

The product of its (nonzero) digits is 3732480, while the sum is 50.

The spelling of 13031265638624 in words is "thirteen trillion, thirty-one billion, two hundred sixty-five million, six hundred thirty-eight thousand, six hundred twenty-four".