11686886055 has 24 divisors (see below), whose sum is σ = 21815521728. Its totient is φ = 5753543616.

The previous prime is 11686886051. The next prime is 11686886083. The reversal of 11686886055 is 55068868611.

It is not a de Polignac number, because 11686886055 - 2² = 11686886051 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 11686885992 and 11686886010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11686886051) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 9988207 + ... + 9989376.

It is an arithmetic number, because the mean of its divisors is an integer number (908980072).

Almost surely, 2^11686886055 is an apocalyptic number.

11686886055 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

11686886055 is a deficient number, since it is larger than the sum of its proper divisors (10128635673).

11686886055 is a wasteful number, since it uses less digits than its factorization.

11686886055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19977607 (or 19977604 counting only the distinct ones).

The product of its (nonzero) digits is 2764800, while the sum is 54.

The spelling of 11686886055 in words is "eleven billion, six hundred eighty-six million, eight hundred eighty-six thousand, fifty-five".