115881830 has 8 divisors (see below), whose sum is σ = 208587312. Its totient is φ = 46352728.

The previous prime is 115881803. The next prime is 115881853. The reversal of 115881830 is 38188511.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5794082 + ... + 5794101.

It is an arithmetic number, because the mean of its divisors is an integer number (26073414).

Almost surely, 2^115881830 is an apocalyptic number.

115881830 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

115881830 is a deficient number, since it is larger than the sum of its proper divisors (92705482).

115881830 is a wasteful number, since it uses less digits than its factorization.

115881830 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11588190.

The product of its (nonzero) digits is 7680, while the sum is 35.

The square root of 115881830 is about 10764.8423118966. The cubic root of 115881830 is about 487.5342320910.

The spelling of 115881830 in words is "one hundred fifteen million, eight hundred eighty-one thousand, eight hundred thirty".