115512 has 16 divisors (see below), whose sum is σ = 288840. Its totient is φ = 38496.

The previous prime is 115499. The next prime is 115513. The reversal of 115512 is 215511.

It is a zygodrome in base 2.

It is a junction number, because it is equal to n+sod(n) for n = 115491 and 115500.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (115513) 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, 2383 + ... + 2430.

2¹¹⁵⁵¹² is an apocalyptic number.

115512 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

115512 is an abundant number, since it is smaller than the sum of its proper divisors (173328).

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

115512 is a wasteful number, since it uses less digits than its factorization.

115512 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4822 (or 4818 counting only the distinct ones).

The product of its digits is 50, while the sum is 15.

The square root of 115512 is about 339.8705635974. The cubic root of 115512 is about 48.7015033822.

Subtracting 115512 from its reverse (215511), we obtain a palindrome (99999).

The spelling of 115512 in words is "one hundred fifteen thousand, five hundred twelve".