115523112 has 128 divisors (see below), whose sum is σ = 320348160. Its totient is φ = 34594560.

The previous prime is 115523071. The next prime is 115523113. The reversal of 115523112 is 211325511.

It is not an unprimeable number, because it can be changed into a prime (115523113) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 735738 + ... + 735894.

It is an arithmetic number, because the mean of its divisors is an integer number (2502720).

Almost surely, 2^115523112 is an apocalyptic number.

115523112 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 115523112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (160174080).

115523112 is an abundant number, since it is smaller than the sum of its proper divisors (204825048).

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

115523112 is a wasteful number, since it uses less digits than its factorization.

115523112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 263 (or 259 counting only the distinct ones).

The product of its digits is 300, while the sum is 21.

The square root of 115523112 is about 10748.1678438699. The cubic root of 115523112 is about 487.0306499128.

Adding to 115523112 its reverse (211325511), we get a palindrome (326848623).

The spelling of 115523112 in words is "one hundred fifteen million, five hundred twenty-three thousand, one hundred twelve".