11556712110 has 16 divisors (see below), whose sum is σ = 27736109136. Its totient is φ = 3081789888.

The previous prime is 11556712109. The next prime is 11556712129. The reversal of 11556712110 is 1121765511.

It is a Harshad number since it is a multiple of its sum of digits (30), and also a Moran number because the ratio is a prime number: 385223737 = 11556712110 / (1 + 1 + 5 + 5 + 6 + 7 + 1 + 2 + 1 + 1 + 0).

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 192611839 + ... + 192611898.

It is an arithmetic number, because the mean of its divisors is an integer number (1733506821).

Almost surely, 2^11556712110 is an apocalyptic number.

11556712110 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11556712110 is an abundant number, since it is smaller than the sum of its proper divisors (16179397026).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11556712110 is a wasteful number, since it uses less digits than its factorization.

11556712110 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 385223747.

The product of its (nonzero) digits is 2100, while the sum is 30.

The spelling of 11556712110 in words is "eleven billion, five hundred fifty-six million, seven hundred twelve thousand, one hundred ten".