115899459 has 16 divisors (see below), whose sum is σ = 166612992. Its totient is φ = 71239968.

The previous prime is 115899439. The next prime is 115899463. The reversal of 115899459 is 954998511.

It is not a de Polignac number, because 115899459 - 2¹⁵ = 115866691 is a prime.

It is not an unprimeable number, because it can be changed into a prime (115899409) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 63964 + ... + 65750.

It is an arithmetic number, because the mean of its divisors is an integer number (10413312).

Almost surely, 2^115899459 is an apocalyptic number.

115899459 is a deficient number, since it is larger than the sum of its proper divisors (50713533).

115899459 is a wasteful number, since it uses less digits than its factorization.

115899459 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3466.

The product of its digits is 583200, while the sum is 51.

The square root of 115899459 is about 10765.6611037130. The cubic root of 115899459 is about 487.5589535542.

The spelling of 115899459 in words is "one hundred fifteen million, eight hundred ninety-nine thousand, four hundred fifty-nine".