11931112 has 32 divisors (see below), whose sum is σ = 23748480. Its totient is φ = 5607360.

The previous prime is 11931079. The next prime is 11931113. The reversal of 11931112 is 21113911.

11931112 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 11931112.

It is not an unprimeable number, because it can be changed into a prime (11931113) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10693 + ... + 11755.

It is an arithmetic number, because the mean of its divisors is an integer number (742140).

Almost surely, 2^11931112 is an apocalyptic number.

It is an amenable number.

11931112 is a deficient number, since it is larger than the sum of its proper divisors (11817368).

11931112 is a wasteful number, since it uses less digits than its factorization.

11931112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1153 (or 1149 counting only the distinct ones).

The product of its digits is 54, while the sum is 19.

The square root of 11931112 is about 3454.1441776510. The cubic root of 11931112 is about 228.5039126482.

The spelling of 11931112 in words is "eleven million, nine hundred thirty-one thousand, one hundred twelve".