115859117 has 4 divisors (see below), whose sum is σ = 126391776. Its totient is φ = 105326460.

The previous prime is 115859101. The next prime is 115859143. The reversal of 115859117 is 711958511.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 115859117 - 2⁴ = 115859101 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (115859197) 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, 5266313 + ... + 5266334.

It is an arithmetic number, because the mean of its divisors is an integer number (31597944).

Almost surely, 2^115859117 is an apocalyptic number.

It is an amenable number.

115859117 is a deficient number, since it is larger than the sum of its proper divisors (10532659).

115859117 is a wasteful number, since it uses less digits than its factorization.

115859117 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10532658.

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

The square root of 115859117 is about 10763.7872981586. The cubic root of 115859117 is about 487.5023775470.

It can be divided in two parts, 11585 and 9117, that added together give a palindrome (20702).

The spelling of 115859117 in words is "one hundred fifteen million, eight hundred fifty-nine thousand, one hundred seventeen".