113363515205 has 4 divisors (see below), whose sum is σ = 136036218252. Its totient is φ = 90690812160.

The previous prime is 113363515127. The next prime is 113363515231. The reversal of 113363515205 is 502515363311.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 27433628161 + 85929887044 = 165631^2 + 293138^2 .

It is not a de Polignac number, because 113363515205 - 2¹² = 113363511109 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

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, 11336351516 + ... + 11336351525.

It is an arithmetic number, because the mean of its divisors is an integer number (34009054563).

Almost surely, 2^113363515205 is an apocalyptic number.

It is an amenable number.

113363515205 is a deficient number, since it is larger than the sum of its proper divisors (22672703047).

113363515205 is an equidigital number, since it uses as much as digits as its factorization.

113363515205 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22672703046.

The product of its (nonzero) digits is 40500, while the sum is 35.

Adding to 113363515205 its reverse (502515363311), we get a palindrome (615878878516).

The spelling of 113363515205 in words is "one hundred thirteen billion, three hundred sixty-three million, five hundred fifteen thousand, two hundred five".