115859171 has 4 divisors (see below), whose sum is σ = 115979952. Its totient is φ = 115738392.

The previous prime is 115859143. The next prime is 115859197. The reversal of 115859171 is 171958511.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 115859171 - 2¹⁰ = 115858147 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (115859101) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 58940 + ... + 60873.

It is an arithmetic number, because the mean of its divisors is an integer number (28994988).

Almost surely, 2^115859171 is an apocalyptic number.

115859171 is a deficient number, since it is larger than the sum of its proper divisors (120781).

115859171 is an equidigital number, since it uses as much as digits as its factorization.

115859171 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 120780.

The product of its digits is 12600, while the sum is 38.

The square root of 115859171 is about 10763.7898065691. The cubic root of 115859171 is about 487.5024532859.

The spelling of 115859171 in words is "one hundred fifteen million, eight hundred fifty-nine thousand, one hundred seventy-one".