13501382724891 has 32 divisors (see below), whose sum is σ = 20330488001600. Its totient is φ = 8853131831040.

The previous prime is 13501382724811. The next prime is 13501382724901. The reversal of 13501382724891 is 19842728310531.

13501382724891 is a `hidden beast` number, since 1 + 3 + 5 + 0 + 13 + 82 + 72 + 489 + 1 = 666.

It is not a de Polignac number, because 13501382724891 - 2¹⁰ = 13501382723867 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13501382724811) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 80436345 + ... + 80604021.

It is an arithmetic number, because the mean of its divisors is an integer number (635327750050).

Almost surely, 2^{13501382724891} is an apocalyptic number.

13501382724891 is a deficient number, since it is larger than the sum of its proper divisors (6829105276709).

13501382724891 is a wasteful number, since it uses less digits than its factorization.

13501382724891 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 216636 (or 216630 counting only the distinct ones).

The product of its (nonzero) digits is 2903040, while the sum is 54.

The spelling of 13501382724891 in words is "thirteen trillion, five hundred one billion, three hundred eighty-two million, seven hundred twenty-four thousand, eight hundred ninety-one".