113645242117 has 24 divisors (see below), whose sum is σ = 126508919040. Its totient is φ = 102002076000.

The previous prime is 113645242049. The next prime is 113645242121. The reversal of 113645242117 is 711242546311.

It is not a de Polignac number, because 113645242117 - 2¹¹ = 113645240069 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (113645248117) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4374388 + ... + 4400290.

It is an arithmetic number, because the mean of its divisors is an integer number (5271204960).

Almost surely, 2^113645242117 is an apocalyptic number.

It is an amenable number.

113645242117 is a deficient number, since it is larger than the sum of its proper divisors (12863676923).

113645242117 is a wasteful number, since it uses less digits than its factorization.

113645242117 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26385 (or 26374 counting only the distinct ones).

The product of its digits is 40320, while the sum is 37.

Adding to 113645242117 its reverse (711242546311), we get a palindrome (824887788428).

The spelling of 113645242117 in words is "one hundred thirteen billion, six hundred forty-five million, two hundred forty-two thousand, one hundred seventeen".