115091171 has 4 divisors (see below), whose sum is σ = 123944352. Its totient is φ = 106237992.

The previous prime is 115091161. The next prime is 115091183. The reversal of 115091171 is 171190511.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 115091171 - 2⁶ = 115091107 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 115091171.

It is not an unprimeable number, because it can be changed into a prime (115091101) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4426571 + ... + 4426596.

It is an arithmetic number, because the mean of its divisors is an integer number (30986088).

Almost surely, 2^115091171 is an apocalyptic number.

115091171 is a deficient number, since it is larger than the sum of its proper divisors (8853181).

115091171 is an equidigital number, since it uses as much as digits as its factorization.

115091171 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8853180.

The product of its (nonzero) digits is 315, while the sum is 26.

The square root of 115091171 is about 10728.0553223779. The cubic root of 115091171 is about 486.4228891579.

The spelling of 115091171 in words is "one hundred fifteen million, ninety-one thousand, one hundred seventy-one".