115873109 has 12 divisors (see below), whose sum is σ = 129531360. Its totient is φ = 103547400.

The previous prime is 115873097. The next prime is 115873127. The reversal of 115873109 is 901378511.

It is a de Polignac number, because none of the positive numbers 2^k-115873109 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (115873129) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 977 + ... + 15254.

It is an arithmetic number, because the mean of its divisors is an integer number (10794280).

Almost surely, 2^115873109 is an apocalyptic number.

It is an amenable number.

115873109 is a deficient number, since it is larger than the sum of its proper divisors (13658251).

115873109 is a wasteful number, since it uses less digits than its factorization.

115873109 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16312 (or 16301 counting only the distinct ones).

The product of its (nonzero) digits is 7560, while the sum is 35.

The square root of 115873109 is about 10764.4372356385. The cubic root of 115873109 is about 487.5220015492.

The spelling of 115873109 in words is "one hundred fifteen million, eight hundred seventy-three thousand, one hundred nine".