115805601 has 6 divisors (see below), whose sum is σ = 167274770. Its totient is φ = 77203728.

The previous prime is 115805587. The next prime is 115805609. The reversal of 115805601 is 106508511.

115805601 is a `hidden beast` number, since 1 + 1 + 58 + 0 + 5 + 601 = 666.

It can be written as a sum of positive squares in only one way, i.e., 92621376 + 23184225 = 9624^2 + 4815^2 .

It is not a de Polignac number, because 115805601 - 2⁹ = 115805089 is a prime.

It is a Duffinian number.

It is a Curzon 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 5 ways as a sum of consecutive naturals, for example, 6433636 + ... + 6433653.

Almost surely, 2^115805601 is an apocalyptic number.

It is an amenable number.

115805601 is a deficient number, since it is larger than the sum of its proper divisors (51469169).

115805601 is a wasteful number, since it uses less digits than its factorization.

115805601 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12867295 (or 12867292 counting only the distinct ones).

The product of its (nonzero) digits is 1200, while the sum is 27.

The square root of 115805601 is about 10761.3010830475. The cubic root of 115805601 is about 487.4273059260.

The spelling of 115805601 in words is "one hundred fifteen million, eight hundred five thousand, six hundred one".