115411512 has 64 divisors (see below), whose sum is σ = 302837760. Its totient is φ = 36604800.

The previous prime is 115411507. The next prime is 115411519. The reversal of 115411512 is 215114511.

It is a super-2 number, since 2×115411512² = 26639634204252288, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (115411519) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 44113 + ... + 46655.

It is an arithmetic number, because the mean of its divisors is an integer number (4731840).

Almost surely, 2^115411512 is an apocalyptic number.

115411512 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 115411512, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (151418880).

115411512 is an abundant number, since it is smaller than the sum of its proper divisors (187426248).

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

115411512 is a wasteful number, since it uses less digits than its factorization.

115411512 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2644 (or 2640 counting only the distinct ones).

The product of its digits is 200, while the sum is 21.

The square root of 115411512 is about 10742.9750069522. The cubic root of 115411512 is about 486.8737689468.

The spelling of 115411512 in words is "one hundred fifteen million, four hundred eleven thousand, five hundred twelve".