13611873686 has 32 divisors (see below), whose sum is σ = 21515831040. Its totient is φ = 6450355296.

The previous prime is 13611873661. The next prime is 13611873739. The reversal of 13611873686 is 68637811631.

It is a congruent 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, 1200335 + ... + 1211621.

It is an arithmetic number, because the mean of its divisors is an integer number (672369720).

Almost surely, 2^13611873686 is an apocalyptic number.

13611873686 is a deficient number, since it is larger than the sum of its proper divisors (7903957354).

13611873686 is a wasteful number, since it uses less digits than its factorization.

13611873686 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11748.

The product of its digits is 870912, while the sum is 50.

The spelling of 13611873686 in words is "thirteen billion, six hundred eleven million, eight hundred seventy-three thousand, six hundred eighty-six".