13815855995 has 16 divisors (see below), whose sum is σ = 16643195712. Its totient is φ = 11009955840.

The previous prime is 13815855971. The next prime is 13815856007. The reversal of 13815855995 is 59955851831.

It is not a de Polignac number, because 13815855995 - 2¹⁸ = 13815593851 is a prime.

It is a Duffinian number.

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, 4541675 + ... + 4544715.

It is an arithmetic number, because the mean of its divisors is an integer number (1040199732).

Almost surely, 2^13815855995 is an apocalyptic number.

13815855995 is a deficient number, since it is larger than the sum of its proper divisors (2827339717).

13815855995 is a wasteful number, since it uses less digits than its factorization.

13815855995 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6262.

The product of its digits is 9720000, while the sum is 59.

The spelling of 13815855995 in words is "thirteen billion, eight hundred fifteen million, eight hundred fifty-five thousand, nine hundred ninety-five".