115804161 has 20 divisors (see below), whose sum is σ = 188719344. Its totient is φ = 70183800.

The previous prime is 115804159. The next prime is 115804177. The reversal of 115804161 is 161408511.

It is not a de Polignac number, because 115804161 - 2¹ = 115804159 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (115804111) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 64095 + ... + 65876.

Almost surely, 2^115804161 is an apocalyptic number.

115804161 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

115804161 is a deficient number, since it is larger than the sum of its proper divisors (72915183).

115804161 is a wasteful number, since it uses less digits than its factorization.

115804161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 129994 (or 129985 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 27.

The square root of 115804161 is about 10761.2341764316. The cubic root of 115804161 is about 487.4252855913.

The spelling of 115804161 in words is "one hundred fifteen million, eight hundred four thousand, one hundred sixty-one".