115512416 has 48 divisors (see below), whose sum is σ = 246713040. Its totient is φ = 53022720.

The previous prime is 115512401. The next prime is 115512427. The reversal of 115512416 is 614215511.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19715 + ... + 24893.

It is an arithmetic number, because the mean of its divisors is an integer number (5139855).

Almost surely, 2^115512416 is an apocalyptic number.

115512416 is a gapful number since it is divisible by the number (16) 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 115512416, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (123356520).

115512416 is an abundant number, since it is smaller than the sum of its proper divisors (131200624).

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

115512416 is a wasteful number, since it uses less digits than its factorization.

115512416 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5247 (or 5239 counting only the distinct ones).

The product of its digits is 1200, while the sum is 26.

The square root of 115512416 is about 10747.6702591771. The cubic root of 115512416 is about 487.0156184600.

Adding to 115512416 its reverse (614215511), we get a palindrome (729727927).

The spelling of 115512416 in words is "one hundred fifteen million, five hundred twelve thousand, four hundred sixteen".