115825870 has 8 divisors (see below), whose sum is σ = 208486584. Its totient is φ = 46330344.

The previous prime is 115825849. The next prime is 115825883. The reversal of 115825870 is 78528511.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×115825870² = 26831264322513800, which contains 22 as substring.

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 3 ways as a sum of consecutive naturals, for example, 5791284 + ... + 5791303.

It is an arithmetic number, because the mean of its divisors is an integer number (26060823).

Almost surely, 2^115825870 is an apocalyptic number.

115825870 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

115825870 is a deficient number, since it is larger than the sum of its proper divisors (92660714).

115825870 is a wasteful number, since it uses less digits than its factorization.

115825870 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11582594.

The product of its (nonzero) digits is 22400, while the sum is 37.

The square root of 115825870 is about 10762.2427959975. The cubic root of 115825870 is about 487.4557417634.

It can be divided in two parts, 1158 and 25870, that added together give a triangular number (27028 = T₂₃₂).

The spelling of 115825870 in words is "one hundred fifteen million, eight hundred twenty-five thousand, eight hundred seventy".