11911112 has 16 divisors (see below), whose sum is σ = 23103900. Its totient is φ = 5750080.

The previous prime is 11911111. The next prime is 11911117. The reversal of 11911112 is 21111911.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 11519236 + 391876 = 3394^2 + 626^2 .

It is not an unprimeable number, because it can be changed into a prime (11911111) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 25439 + ... + 25902.

Almost surely, 2^11911112 is an apocalyptic number.

It is an amenable number.

11911112 is a deficient number, since it is larger than the sum of its proper divisors (11192788).

11911112 is a wasteful number, since it uses less digits than its factorization.

11911112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51376 (or 51372 counting only the distinct ones).

The product of its digits is 18, while the sum is 17.

The square root of 11911112 is about 3451.2478902565. The cubic root of 11911112 is about 228.3761616550.

The spelling of 11911112 in words is "eleven million, nine hundred eleven thousand, one hundred twelve".