13861586915 has 16 divisors (see below), whose sum is σ = 18731437056. Its totient is φ = 9755954400.

The previous prime is 13861586903. The next prime is 13861586923. The reversal of 13861586915 is 51968516831.

It is not a de Polignac number, because 13861586915 - 2²² = 13857392611 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4063277 + ... + 4066686.

It is an arithmetic number, because the mean of its divisors is an integer number (1170714816).

Almost surely, 2^13861586915 is an apocalyptic number.

13861586915 is a deficient number, since it is larger than the sum of its proper divisors (4869850141).

13861586915 is a wasteful number, since it uses less digits than its factorization.

13861586915 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8130010.

The product of its digits is 1555200, while the sum is 53.

The spelling of 13861586915 in words is "thirteen billion, eight hundred sixty-one million, five hundred eighty-six thousand, nine hundred fifteen".