115191673 has 4 divisors (see below), whose sum is σ = 118001268. Its totient is φ = 112382080.

The previous prime is 115191649. The next prime is 115191697. The reversal of 115191673 is 376191511.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 376191511 = 97 ⋅3878263.

It is an interprime number because it is at equal distance from previous prime (115191649) and next prime (115191697).

It can be written as a sum of positive squares in 2 ways, for example, as 31505769 + 83685904 = 5613^2 + 9148^2 .

It is a cyclic number.

It is not a de Polignac number, because 115191673 - 2²¹ = 113094521 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (115195673) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1404736 + ... + 1404817.

It is an arithmetic number, because the mean of its divisors is an integer number (29500317).

Almost surely, 2^115191673 is an apocalyptic number.

It is an amenable number.

115191673 is a deficient number, since it is larger than the sum of its proper divisors (2809595).

115191673 is an equidigital number, since it uses as much as digits as its factorization.

115191673 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2809594.

The product of its digits is 5670, while the sum is 34.

The square root of 115191673 is about 10732.7383737795. The cubic root of 115191673 is about 486.5644356375.

The spelling of 115191673 in words is "one hundred fifteen million, one hundred ninety-one thousand, six hundred seventy-three".