115805605 has 8 divisors (see below), whose sum is σ = 139024512. Its totient is φ = 92605968.

The previous prime is 115805587. The next prime is 115805609. The reversal of 115805605 is 506508511.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 115805605 - 2⁹ = 115805093 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (115805609) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20832 + ... + 25798.

It is an arithmetic number, because the mean of its divisors is an integer number (17378064).

Almost surely, 2^115805605 is an apocalyptic number.

It is an amenable number.

115805605 is a deficient number, since it is larger than the sum of its proper divisors (23218907).

115805605 is an equidigital number, since it uses as much as digits as its factorization.

115805605 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9635.

The product of its (nonzero) digits is 6000, while the sum is 31.

The square root of 115805605 is about 10761.3012688987. The cubic root of 115805605 is about 487.4273115380.

The spelling of 115805605 in words is "one hundred fifteen million, eight hundred five thousand, six hundred five".