115413312 has 112 divisors (see below), whose sum is σ = 353730560. Its totient is φ = 32527872.

The previous prime is 115413307. The next prime is 115413313. The reversal of 115413312 is 213314511.

It is a tau number, because it is divible by the number of its divisors (112).

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (115413313) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 105633 + ... + 106719.

Almost surely, 2^115413312 is an apocalyptic number.

115413312 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 115413312, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (176865280).

115413312 is an abundant number, since it is smaller than the sum of its proper divisors (238317248).

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

115413312 is a wasteful number, since it uses less digits than its factorization.

115413312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1188 (or 1178 counting only the distinct ones).

The product of its digits is 360, while the sum is 21.

The square root of 115413312 is about 10743.0587823022. The cubic root of 115413312 is about 486.8763000872.

Adding to 115413312 its reverse (213314511), we get a palindrome (328727823).

The spelling of 115413312 in words is "one hundred fifteen million, four hundred thirteen thousand, three hundred twelve".