115411812 has 12 divisors (see below), whose sum is σ = 269294256. Its totient is φ = 38470600.

The previous prime is 115411801. The next prime is 115411819. The reversal of 115411812 is 218114511.

It is a tau number, because it is divible by the number of its divisors (12).

It is not an unprimeable number, because it can be changed into a prime (115411819) 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, 4808814 + ... + 4808837.

It is an arithmetic number, because the mean of its divisors is an integer number (22441188).

Almost surely, 2^115411812 is an apocalyptic number.

115411812 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

115411812 is an abundant number, since it is smaller than the sum of its proper divisors (153882444).

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

115411812 is a wasteful number, since it uses less digits than its factorization.

115411812 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9617658 (or 9617656 counting only the distinct ones).

The product of its digits is 320, while the sum is 24.

The square root of 115411812 is about 10742.9889695559. The cubic root of 115411812 is about 486.8741908054.

The spelling of 115411812 in words is "one hundred fifteen million, four hundred eleven thousand, eight hundred twelve".