13087881503643 has 32 divisors (see below), whose sum is σ = 17767994340096. Its totient is φ = 8567874939008.

The previous prime is 13087881503633. The next prime is 13087881503651. The reversal of 13087881503643 is 34630518878031.

It is a cyclic number.

It is not a de Polignac number, because 13087881503643 - 2⁶ = 13087881503579 is a prime.

It is not an unprimeable number, because it can be changed into a prime (13087881503603) by changing a digit.

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 31 ways as a sum of consecutive naturals, for example, 49558996 + ... + 49822382.

It is an arithmetic number, because the mean of its divisors is an integer number (555249823128).

Almost surely, 2^{13087881503643} is an apocalyptic number.

13087881503643 is a deficient number, since it is larger than the sum of its proper divisors (4680112836453).

13087881503643 is a wasteful number, since it uses less digits than its factorization.

13087881503643 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 264683.

The product of its (nonzero) digits is 11612160, while the sum is 57.

The spelling of 13087881503643 in words is "thirteen trillion, eighty-seven billion, eight hundred eighty-one million, five hundred three thousand, six hundred forty-three".