11311112 has 8 divisors (see below), whose sum is σ = 21208350. Its totient is φ = 5655552.

The previous prime is 11311109. The next prime is 11311117. The reversal of 11311112 is 21111311.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 6791236 + 4519876 = 2606^2 + 2126^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a junction number, because it is equal to n+sod(n) for n = 11311093 and 11311102.

It is not an unprimeable number, because it can be changed into a prime (11311117) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 706937 + ... + 706952.

Almost surely, 2^11311112 is an apocalyptic number.

It is an amenable number.

11311112 is a deficient number, since it is larger than the sum of its proper divisors (9897238).

11311112 is a wasteful number, since it uses less digits than its factorization.

11311112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1413895 (or 1413891 counting only the distinct ones).

The product of its digits is 6, while the sum is 11.

The square root of 11311112 is about 3363.1996669838. The cubic root of 11311112 is about 224.4752346595.

Adding to 11311112 its reverse (21111311), we get a palindrome (32422423).

The spelling of 11311112 in words is "eleven million, three hundred eleven thousand, one hundred twelve".