11206604205 has 16 divisors (see below), whose sum is σ = 19922852160. Its totient is φ = 5976855504.

The previous prime is 11206604159. The next prime is 11206604209. The reversal of 11206604205 is 50240660211.

11206604205 is a `hidden beast` number, since 11 + 20 + 6 + 604 + 20 + 5 = 666.

It is not a de Polignac number, because 11206604205 - 2¹⁰ = 11206603181 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11206604209) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 41505807 + ... + 41506076.

It is an arithmetic number, because the mean of its divisors is an integer number (1245178260).

Almost surely, 2^11206604205 is an apocalyptic number.

11206604205 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

11206604205 is a deficient number, since it is larger than the sum of its proper divisors (8716247955).

11206604205 is an equidigital number, since it uses as much as digits as its factorization.

11206604205 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 83011897 (or 83011891 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 27.

The spelling of 11206604205 in words is "eleven billion, two hundred six million, six hundred four thousand, two hundred five".