115537099 has 2 divisors, whose sum is σ = 115537100. Its totient is φ = 115537098.

The previous prime is 115537069. The next prime is 115537127. The reversal of 115537099 is 990735511.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 115537099 - 2⁵ = 115537067 is a prime.

It is not a weakly prime, because it can be changed into another prime (115537039) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 57768549 + 57768550.

It is an arithmetic number, because the mean of its divisors is an integer number (57768550).

Almost surely, 2^115537099 is an apocalyptic number.

115537099 is a deficient number, since it is larger than the sum of its proper divisors (1).

115537099 is an equidigital number, since it uses as much as digits as its factorization.

115537099 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 42525, while the sum is 40.

The square root of 115537099 is about 10748.8184932112. The cubic root of 115537099 is about 487.0503049200.

The spelling of 115537099 in words is "one hundred fifteen million, five hundred thirty-seven thousand, ninety-nine".