13365985715 has 8 divisors (see below), whose sum is σ = 16039881360. Its totient is φ = 10692322912.

The previous prime is 13365985697. The next prime is 13365985723. The reversal of 13365985715 is 51758956331.

13365985715 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 13365985715 - 2⁸ = 13365985459 is a prime.

It is a super-2 number, since 2×13365985715² (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 114872 + ... + 199818.

It is an arithmetic number, because the mean of its divisors is an integer number (2004985170).

Almost surely, 2^13365985715 is an apocalyptic number.

13365985715 is a deficient number, since it is larger than the sum of its proper divisors (2673895645).

13365985715 is an equidigital number, since it uses as much as digits as its factorization.

13365985715 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 116421.

The product of its digits is 3402000, while the sum is 53.

The spelling of 13365985715 in words is "thirteen billion, three hundred sixty-five million, nine hundred eighty-five thousand, seven hundred fifteen".