13531024985944 has 64 divisors (see below), whose sum is σ = 27059061657600. Its totient is φ = 6321091828224.

The previous prime is 13531024985873. The next prime is 13531024986041. The reversal of 13531024985944 is 44958942013531.

It is a super-2 number, since 2×13531024985944² (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 in 15 ways as a sum of consecutive naturals, for example, 223169217 + ... + 223229839.

It is an arithmetic number, because the mean of its divisors is an integer number (422797838400).

Almost surely, 2^{13531024985944} is an apocalyptic number.

It is an amenable number.

13531024985944 is a deficient number, since it is larger than the sum of its proper divisors (13528036671656).

13531024985944 is a wasteful number, since it uses less digits than its factorization.

13531024985944 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72592 (or 72588 counting only the distinct ones).

The product of its (nonzero) digits is 18662400, while the sum is 58.

The spelling of 13531024985944 in words is "thirteen trillion, five hundred thirty-one billion, twenty-four million, nine hundred eighty-five thousand, nine hundred forty-four".