11205222305 has 8 divisors (see below), whose sum is σ = 13774224744. Its totient is φ = 8745539200.

The previous prime is 11205222293. The next prime is 11205222311. The reversal of 11205222305 is 50322250211.

It can be written as a sum of positive squares in 4 ways, for example, as 1092104209 + 10113118096 = 33047^2 + 100564^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 11205222305 - 2⁴ = 11205222289 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 27329606 + ... + 27330015.

It is an arithmetic number, because the mean of its divisors is an integer number (1721778093).

Almost surely, 2^11205222305 is an apocalyptic number.

It is an amenable number.

11205222305 is a deficient number, since it is larger than the sum of its proper divisors (2569002439).

11205222305 is an equidigital number, since it uses as much as digits as its factorization.

11205222305 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54659667.

The product of its (nonzero) digits is 1200, while the sum is 23.

Adding to 11205222305 its reverse (50322250211), we get a palindrome (61527472516).

The spelling of 11205222305 in words is "eleven billion, two hundred five million, two hundred twenty-two thousand, three hundred five".