115805279 has 8 divisors (see below), whose sum is σ = 120403248. Its totient is φ = 111291840.

The previous prime is 115805273. The next prime is 115805311. The reversal of 115805279 is 972508511.

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 115805279 - 2²⁴ = 99028063 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 (115805273) 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, 18332 + ... + 23825.

It is an arithmetic number, because the mean of its divisors is an integer number (15050406).

Almost surely, 2^115805279 is an apocalyptic number.

115805279 is a deficient number, since it is larger than the sum of its proper divisors (4597969).

115805279 is an equidigital number, since it uses as much as digits as its factorization.

115805279 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42265.

The product of its (nonzero) digits is 25200, while the sum is 38.

The square root of 115805279 is about 10761.2861220209. The cubic root of 115805279 is about 487.4268541581.

The spelling of 115805279 in words is "one hundred fifteen million, eight hundred five thousand, two hundred seventy-nine".