13157384732065 has 16 divisors (see below), whose sum is σ = 18108174538368. Its totient is φ = 8990326077696.

The previous prime is 13157384732003. The next prime is 13157384732077. The reversal of 13157384732065 is 56023748375131.

It is a cyclic number.

It is not a de Polignac number, because 13157384732065 - 2¹⁷ = 13157384600993 is a prime.

It is a super-3 number, since 3×13157384732065³ (a number of 40 digits) contains 333 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 13157384731997 and 13157384732015.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 664169032 + ... + 664188841.

It is an arithmetic number, because the mean of its divisors is an integer number (1131760908648).

Almost surely, 2^{13157384732065} is an apocalyptic number.

It is an amenable number.

13157384732065 is a deficient number, since it is larger than the sum of its proper divisors (4950789806303).

13157384732065 is a wasteful number, since it uses less digits than its factorization.

13157384732065 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1328358168.

The product of its (nonzero) digits is 12700800, while the sum is 55.

The spelling of 13157384732065 in words is "thirteen trillion, one hundred fifty-seven billion, three hundred eighty-four million, seven hundred thirty-two thousand, sixty-five".