115559953 has 2 divisors, whose sum is σ = 115559954. Its totient is φ = 115559952.

The previous prime is 115559933. The next prime is 115560031. The reversal of 115559953 is 359955511.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 73153809 + 42406144 = 8553^2 + 6512^2 .

It is a cyclic number.

It is not a de Polignac number, because 115559953 - 2⁵ = 115559921 is a prime.

It is not a weakly prime, because it can be changed into another prime (115559933) 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 as a sum of consecutive naturals, namely, 57779976 + 57779977.

It is an arithmetic number, because the mean of its divisors is an integer number (57779977).

Almost surely, 2^115559953 is an apocalyptic number.

It is an amenable number.

115559953 is a deficient number, since it is larger than the sum of its proper divisors (1).

115559953 is an equidigital number, since it uses as much as digits as its factorization.

115559953 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 151875, while the sum is 43.

The square root of 115559953 is about 10749.8815342310. The cubic root of 115559953 is about 487.0824167233.

The spelling of 115559953 in words is "one hundred fifteen million, five hundred fifty-nine thousand, nine hundred fifty-three".