115111112 has 16 divisors (see below), whose sum is σ = 216478860. Its totient is φ = 57383424.

The previous prime is 115111111. The next prime is 115111127. The reversal of 115111112 is 211111511.

It can be written as a sum of positive squares in 2 ways, for example, as 103510276 + 11600836 = 10174^2 + 3406^2 .

It is not an unprimeable number, because it can be changed into a prime (115111111) 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, 18653 + ... + 24044.

Almost surely, 2^115111112 is an apocalyptic number.

It is an amenable number.

115111112 is a deficient number, since it is larger than the sum of its proper divisors (101367748).

115111112 is a wasteful number, since it uses less digits than its factorization.

115111112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43040 (or 43036 counting only the distinct ones).

The product of its digits is 10, while the sum is 14.

The square root of 115111112 is about 10728.9846677120. The cubic root of 115111112 is about 486.4509805067.

Adding to 115111112 its reverse (211111511), we get a palindrome (326222623).

The spelling of 115111112 in words is "one hundred fifteen million, one hundred eleven thousand, one hundred twelve".