115646171 has 4 divisors (see below), whose sum is σ = 119634000. Its totient is φ = 111658344.

The previous prime is 115646147. The next prime is 115646177. The reversal of 115646171 is 171646511.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-115646171 is a prime.

It is a super-2 number, since 2×115646171² = 26748073733922482, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (115646177) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1993871 + ... + 1993928.

It is an arithmetic number, because the mean of its divisors is an integer number (29908500).

Almost surely, 2^115646171 is an apocalyptic number.

115646171 is a deficient number, since it is larger than the sum of its proper divisors (3987829).

115646171 is an equidigital number, since it uses as much as digits as its factorization.

115646171 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3987828.

The product of its digits is 5040, while the sum is 32.

The square root of 115646171 is about 10753.8909702489. The cubic root of 115646171 is about 487.2035222072.

The spelling of 115646171 in words is "one hundred fifteen million, six hundred forty-six thousand, one hundred seventy-one".