115559407 has 2 divisors, whose sum is σ = 115559408. Its totient is φ = 115559406.

The previous prime is 115559377. The next prime is 115559419. The reversal of 115559407 is 704955511.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-115559407 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (115559467) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 57779703 + 57779704.

It is an arithmetic number, because the mean of its divisors is an integer number (57779704).

Almost surely, 2^115559407 is an apocalyptic number.

115559407 is a deficient number, since it is larger than the sum of its proper divisors (1).

115559407 is an equidigital number, since it uses as much as digits as its factorization.

115559407 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 31500, while the sum is 37.

The square root of 115559407 is about 10749.8561385723. The cubic root of 115559407 is about 487.0816495965.

The spelling of 115559407 in words is "one hundred fifteen million, five hundred fifty-nine thousand, four hundred seven".