115000509999 has 16 divisors (see below), whose sum is σ = 161778746880. Its totient is φ = 72463366080.

The previous prime is 115000509991. The next prime is 115000510013. The reversal of 115000509999 is 999905000511.

It is a happy number.

It is not a de Polignac number, because 115000509999 - 2³ = 115000509991 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (115000509991) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2315982 + ... + 2365115.

It is an arithmetic number, because the mean of its divisors is an integer number (10111171680).

Almost surely, 2^115000509999 is an apocalyptic number.

115000509999 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

115000509999 is a deficient number, since it is larger than the sum of its proper divisors (46778236881).

115000509999 is a wasteful number, since it uses less digits than its factorization.

115000509999 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4681550.

The product of its (nonzero) digits is 164025, while the sum is 48.

The spelling of 115000509999 in words is "one hundred fifteen billion, five hundred nine thousand, nine hundred ninety-nine".