115573899 has 24 divisors (see below), whose sum is σ = 180927120. Its totient is φ = 65427264.

The previous prime is 115573897. The next prime is 115573907. The reversal of 115573899 is 998375511.

It is not a de Polignac number, because 115573899 - 2¹ = 115573897 is a prime.

It is a super-2 number, since 2×115573899² = 26714652260124402, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (115573891) 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 23 ways as a sum of consecutive naturals, for example, 12417 + ... + 19629.

It is an arithmetic number, because the mean of its divisors is an integer number (7538630).

Almost surely, 2^115573899 is an apocalyptic number.

115573899 is a deficient number, since it is larger than the sum of its proper divisors (65353221).

115573899 is a wasteful number, since it uses less digits than its factorization.

115573899 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7339 (or 7332 counting only the distinct ones).

The product of its digits is 340200, while the sum is 48.

The square root of 115573899 is about 10750.5301729729. The cubic root of 115573899 is about 487.1020099531.

The spelling of 115573899 in words is "one hundred fifteen million, five hundred seventy-three thousand, eight hundred ninety-nine".