113204507105 has 4 divisors (see below), whose sum is σ = 135845408532. Its totient is φ = 90563605680.

The previous prime is 113204507077. The next prime is 113204507123. The reversal of 113204507105 is 501705402311.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 501705402311 = 67 ⋅7488140333.

It can be written as a sum of positive squares in 2 ways, for example, as 23903942881 + 89300564224 = 154609^2 + 298832^2 .

It is not a de Polignac number, because 113204507105 - 2⁶ = 113204507041 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11320450706 + ... + 11320450715.

It is an arithmetic number, because the mean of its divisors is an integer number (33961352133).

Almost surely, 2^113204507105 is an apocalyptic number.

It is an amenable number.

113204507105 is a deficient number, since it is larger than the sum of its proper divisors (22640901427).

113204507105 is an equidigital number, since it uses as much as digits as its factorization.

113204507105 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22640901426.

The product of its (nonzero) digits is 4200, while the sum is 29.

Adding to 113204507105 its reverse (501705402311), we get a palindrome (614909909416).

The spelling of 113204507105 in words is "one hundred thirteen billion, two hundred four million, five hundred seven thousand, one hundred five".