12111111160 has 32 divisors (see below), whose sum is σ = 27464578560. Its totient is φ = 4806297216.

The previous prime is 12111111149. The next prime is 12111111193. The reversal of 12111111160 is 6111111121.

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, 1186959 + ... + 1197118.

It is an arithmetic number, because the mean of its divisors is an integer number (858268080).

Almost surely, 2^12111111160 is an apocalyptic number.

12111111160 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12111111160 is an abundant number, since it is smaller than the sum of its proper divisors (15353467400).

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

12111111160 is a wasteful number, since it uses less digits than its factorization.

12111111160 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2384215 (or 2384211 counting only the distinct ones).

The product of its (nonzero) digits is 12, while the sum is 16.

Adding to 12111111160 its reverse (6111111121), we get a palindrome (18222222281).

The spelling of 12111111160 in words is "twelve billion, one hundred eleven million, one hundred eleven thousand, one hundred sixty".