13126360005564 has 48 divisors (see below), whose sum is σ = 32984414521632. Its totient is φ = 4038852102912.

The previous prime is 13126360005533. The next prime is 13126360005623. The reversal of 13126360005564 is 46550006362131.

It is a super-2 number, since 2×13126360005564² (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, 42423402 + ... + 42731694.

It is an arithmetic number, because the mean of its divisors is an integer number (687175302534).

Almost surely, 2^{13126360005564} is an apocalyptic number.

It is an amenable number.

13126360005564 is an abundant number, since it is smaller than the sum of its proper divisors (19858054516068).

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

13126360005564 is a wasteful number, since it uses less digits than its factorization.

13126360005564 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 581246 (or 581244 counting only the distinct ones).

The product of its (nonzero) digits is 388800, while the sum is 42.

Adding to 13126360005564 its reverse (46550006362131), we get a palindrome (59676366367695).

The spelling of 13126360005564 in words is "thirteen trillion, one hundred twenty-six billion, three hundred sixty million, five thousand, five hundred sixty-four".