115432399 has 2 divisors, whose sum is σ = 115432400. Its totient is φ = 115432398.

The previous prime is 115432393. The next prime is 115432433. The reversal of 115432399 is 993234511.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 115432399 - 2¹¹ = 115430351 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (115432393) 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, 57716199 + 57716200.

It is an arithmetic number, because the mean of its divisors is an integer number (57716200).

Almost surely, 2^115432399 is an apocalyptic number.

115432399 is a deficient number, since it is larger than the sum of its proper divisors (1).

115432399 is an equidigital number, since it uses as much as digits as its factorization.

115432399 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 29160, while the sum is 37.

The square root of 115432399 is about 10743.9470866158. The cubic root of 115432399 is about 486.9031384000.

The spelling of 115432399 in words is "one hundred fifteen million, four hundred thirty-two thousand, three hundred ninety-nine".