11605302205 has 16 divisors (see below), whose sum is σ = 15972096384. Its totient is φ = 7929794880.

The previous prime is 11605302179. The next prime is 11605302209. The reversal of 11605302205 is 50220350611.

It is not a de Polignac number, because 11605302205 - 2¹⁷ = 11605171133 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 11605302205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11605302209) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 575926 + ... + 595735.

It is an arithmetic number, because the mean of its divisors is an integer number (998256024).

Almost surely, 2^11605302205 is an apocalyptic number.

It is an amenable number.

11605302205 is a deficient number, since it is larger than the sum of its proper divisors (4366794179).

11605302205 is a wasteful number, since it uses less digits than its factorization.

11605302205 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1171956.

The product of its (nonzero) digits is 1800, while the sum is 25.

Adding to 11605302205 its reverse (50220350611), we get a palindrome (61825652816).

The spelling of 11605302205 in words is "eleven billion, six hundred five million, three hundred two thousand, two hundred five".