171512113 has 8 divisors (see below), whose sum is σ = 175962528. Its totient is φ = 167118624.

The previous prime is 171512093. The next prime is 171512129. The reversal of 171512113 is 311215171.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 171512113 - 2²⁵ = 137957681 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (171512153) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8095 + ... + 20212.

It is an arithmetic number, because the mean of its divisors is an integer number (21995316).

Almost surely, 2^171512113 is an apocalyptic number.

It is an amenable number.

171512113 is a deficient number, since it is larger than the sum of its proper divisors (4450415).

171512113 is an equidigital number, since it uses as much as digits as its factorization.

171512113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28463.

The product of its digits is 210, while the sum is 22.

The square root of 171512113 is about 13096.2633220320. The cubic root of 171512113 is about 555.6034482816.

Adding to 171512113 its reverse (311215171), we get a palindrome (482727284).

The spelling of 171512113 in words is "one hundred seventy-one million, five hundred twelve thousand, one hundred thirteen".