115161859 has 8 divisors (see below), whose sum is σ = 122394240. Its totient is φ = 107980416.

The previous prime is 115161847. The next prime is 115161877. The reversal of 115161859 is 958161511.

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

It is a cyclic number.

It is not a de Polignac number, because 115161859 - 2¹⁷ = 115030787 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (115161899) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8019 + ... + 17164.

It is an arithmetic number, because the mean of its divisors is an integer number (15299280).

Almost surely, 2^115161859 is an apocalyptic number.

115161859 is a deficient number, since it is larger than the sum of its proper divisors (7232381).

115161859 is a wasteful number, since it uses less digits than its factorization.

115161859 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25469.

The product of its digits is 10800, while the sum is 37.

The square root of 115161859 is about 10731.3493559757. The cubic root of 115161859 is about 486.5224543512.

The spelling of 115161859 in words is "one hundred fifteen million, one hundred sixty-one thousand, eight hundred fifty-nine".