115113544 has 80 divisors (see below), whose sum is σ = 271753020. Its totient is φ = 45440640.

The previous prime is 115113539. The next prime is 115113553. The reversal of 115113544 is 445311511.

It can be written as a sum of positive squares in 2 ways, for example, as 105884100 + 9229444 = 10290^2 + 3038^2 .

It is a super-2 number, since 2×115113544² = 26502256024479872, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 249474 + ... + 249934.

Almost surely, 2^115113544 is an apocalyptic number.

115113544 is a gapful number since it is divisible by the number (14) 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 115113544, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (135876510).

115113544 is an abundant number, since it is smaller than the sum of its proper divisors (156639476).

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

115113544 is an equidigital number, since it uses as much as digits as its factorization.

115113544 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 508 (or 483 counting only the distinct ones).

The product of its digits is 1200, while the sum is 25.

The square root of 115113544 is about 10729.0980049583. The cubic root of 115113544 is about 486.4544062995.

The spelling of 115113544 in words is "one hundred fifteen million, one hundred thirteen thousand, five hundred forty-four".