11043313205 has 4 divisors (see below), whose sum is σ = 13251975852. Its totient is φ = 8834650560.

The previous prime is 11043313201. The next prime is 11043313213. The reversal of 11043313205 is 50231334011.

11043313205 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 5312368996 + 5730944209 = 72886^2 + 75703^2 .

It is not a de Polignac number, because 11043313205 - 2² = 11043313201 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11043313201) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1104331316 + ... + 1104331325.

It is an arithmetic number, because the mean of its divisors is an integer number (3312993963).

Almost surely, 2^11043313205 is an apocalyptic number.

It is an amenable number.

11043313205 is a deficient number, since it is larger than the sum of its proper divisors (2208662647).

11043313205 is an equidigital number, since it uses as much as digits as its factorization.

11043313205 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2208662646.

The product of its (nonzero) digits is 1080, while the sum is 23.

Adding to 11043313205 its reverse (50231334011), we get a palindrome (61274647216).

The spelling of 11043313205 in words is "eleven billion, forty-three million, three hundred thirteen thousand, two hundred five".