115163999 has 2 divisors, whose sum is σ = 115164000. Its totient is φ = 115163998.

The previous prime is 115163963. The next prime is 115164029. The reversal of 115163999 is 999361511.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 115163999 - 2¹² = 115159903 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (115163099) 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 as a sum of consecutive naturals, namely, 57581999 + 57582000.

It is an arithmetic number, because the mean of its divisors is an integer number (57582000).

Almost surely, 2^115163999 is an apocalyptic number.

115163999 is a deficient number, since it is larger than the sum of its proper divisors (1).

115163999 is an equidigital number, since it uses as much as digits as its factorization.

115163999 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 65610, while the sum is 44.

The square root of 115163999 is about 10731.4490633838. The cubic root of 115163999 is about 486.5254679404.

The spelling of 115163999 in words is "one hundred fifteen million, one hundred sixty-three thousand, nine hundred ninety-nine".