115489859 has 4 divisors (see below), whose sum is σ = 115543680. Its totient is φ = 115436040.

The previous prime is 115489837. The next prime is 115489867. The reversal of 115489859 is 958984511.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 958984511 = 19 ⋅50472869.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-115489859 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (115489459) 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 3 ways as a sum of consecutive naturals, for example, 23552 + ... + 28029.

It is an arithmetic number, because the mean of its divisors is an integer number (28885920).

Almost surely, 2^115489859 is an apocalyptic number.

115489859 is a deficient number, since it is larger than the sum of its proper divisors (53821).

115489859 is an equidigital number, since it uses as much as digits as its factorization.

115489859 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53820.

The product of its digits is 518400, while the sum is 50.

The square root of 115489859 is about 10746.6208177268. The cubic root of 115489859 is about 486.9839152981.

The spelling of 115489859 in words is "one hundred fifteen million, four hundred eighty-nine thousand, eight hundred fifty-nine".