113206352171 has 4 divisors (see below), whose sum is σ = 123497838744. Its totient is φ = 102914865600.

The previous prime is 113206352117. The next prime is 113206352191. The reversal of 113206352171 is 171253602311.

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 113206352171 - 2²² = 113202157867 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (113206352191) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5145743270 + ... + 5145743291.

It is an arithmetic number, because the mean of its divisors is an integer number (30874459686).

Almost surely, 2^113206352171 is an apocalyptic number.

113206352171 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

113206352171 is a deficient number, since it is larger than the sum of its proper divisors (10291486573).

113206352171 is a wasteful number, since it uses less digits than its factorization.

113206352171 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10291486572.

The product of its (nonzero) digits is 7560, while the sum is 32.

Adding to 113206352171 its reverse (171253602311), we get a palindrome (284459954482).

The spelling of 113206352171 in words is "one hundred thirteen billion, two hundred six million, three hundred fifty-two thousand, one hundred seventy-one".