11656605110 has 16 divisors (see below), whose sum is σ = 20996496000. Its totient is φ = 4659396096.

The previous prime is 11656605109. The next prime is 11656605157. The reversal of 11656605110 is 1150665611.

It is a super-2 number, since 2×11656605110² (a number of 21 digits) contains 22 as substring.

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, 390635 + ... + 419414.

It is an arithmetic number, because the mean of its divisors is an integer number (1312281000).

Almost surely, 2^11656605110 is an apocalyptic number.

11656605110 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11656605110 is a deficient number, since it is larger than the sum of its proper divisors (9339890890).

11656605110 is a wasteful number, since it uses less digits than its factorization.

11656605110 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 811495.

The product of its (nonzero) digits is 5400, while the sum is 32.

The spelling of 11656605110 in words is "eleven billion, six hundred fifty-six million, six hundred five thousand, one hundred ten".