113204205517 has 8 divisors (see below), whose sum is σ = 127212753024. Its totient is φ = 99952876848.

The previous prime is 113204205511. The next prime is 113204205523. The reversal of 113204205517 is 715502402311.

It is an interprime number because it is at equal distance from previous prime (113204205511) and next prime (113204205523).

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 113204205517 - 2³ = 113204205509 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 (113204205511) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 189304393 + ... + 189304990.

It is an arithmetic number, because the mean of its divisors is an integer number (15901594128).

Almost surely, 2^113204205517 is an apocalyptic number.

It is an amenable number.

113204205517 is a deficient number, since it is larger than the sum of its proper divisors (14008547507).

113204205517 is a wasteful number, since it uses less digits than its factorization.

113204205517 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 378609419.

The product of its (nonzero) digits is 8400, while the sum is 31.

Adding to 113204205517 its reverse (715502402311), we get a palindrome (828706607828).

The spelling of 113204205517 in words is "one hundred thirteen billion, two hundred four million, two hundred five thousand, five hundred seventeen".