115576812 has 144 divisors (see below), whose sum is σ = 339393600. Its totient is φ = 32845824.

The previous prime is 115576781. The next prime is 115576873. The reversal of 115576812 is 218675511.

115576812 is a `hidden beast` number, since 1 + 1 + 5 + 576 + 81 + 2 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 580689 + ... + 580887.

It is an arithmetic number, because the mean of its divisors is an integer number (2356900).

Almost surely, 2^115576812 is an apocalyptic number.

115576812 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 115576812, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (169696800).

115576812 is an abundant number, since it is smaller than the sum of its proper divisors (223816788).

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

115576812 is a wasteful number, since it uses less digits than its factorization.

115576812 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 312 (or 307 counting only the distinct ones).

The product of its digits is 16800, while the sum is 36.

The square root of 115576812 is about 10750.6656538095. The cubic root of 115576812 is about 487.1061023311.

It can be divided in two parts, 1155 and 76812, that multiplied together give a triangular number (88717860 = T₁₃₃₂₀).

The spelling of 115576812 in words is "one hundred fifteen million, five hundred seventy-six thousand, eight hundred twelve".