115825500 has 144 divisors (see below), whose sum is σ = 417703104. Its totient is φ = 26467200.

The previous prime is 115825499. The next prime is 115825561. The reversal of 115825500 is 5528511.

115825500 is a `hidden beast` number, since 1 + 158 + 2 + 5 + 500 = 666.

It is a congruent number.

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, 29662 + ... + 33338.

It is an arithmetic number, because the mean of its divisors is an integer number (2900716).

Almost surely, 2^115825500 is an apocalyptic number.

115825500 is a gapful number since it is divisible by the number (10) 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 115825500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (208851552).

115825500 is an abundant number, since it is smaller than the sum of its proper divisors (301877604).

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

115825500 is a wasteful number, since it uses less digits than its factorization.

115825500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3709 (or 3694 counting only the distinct ones).

The product of its (nonzero) digits is 2000, while the sum is 27.

The square root of 115825500 is about 10762.2256062582. The cubic root of 115825500 is about 487.4552227118.

The spelling of 115825500 in words is "one hundred fifteen million, eight hundred twenty-five thousand, five hundred".