11686111798 has 16 divisors (see below), whose sum is σ = 17577990144. Its totient is φ = 5826798760.

The previous prime is 11686111753. The next prime is 11686111807. The reversal of 11686111798 is 89711168611.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1968711 + ... + 1974637.

It is an arithmetic number, because the mean of its divisors is an integer number (1098624384).

Almost surely, 2^11686111798 is an apocalyptic number.

11686111798 is a deficient number, since it is larger than the sum of its proper divisors (5891878346).

11686111798 is a wasteful number, since it uses less digits than its factorization.

11686111798 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8507.

The product of its digits is 145152, while the sum is 49.

The spelling of 11686111798 in words is "eleven billion, six hundred eighty-six million, one hundred eleven thousand, seven hundred ninety-eight".