11792180209 has 2 divisors, whose sum is σ = 11792180210. Its totient is φ = 11792180208.

The previous prime is 11792180177. The next prime is 11792180219. The reversal of 11792180209 is 90208129711.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 9172275984 + 2619904225 = 95772^2 + 51185^2 .

It is a cyclic number.

It is not a de Polignac number, because 11792180209 - 2⁵ = 11792180177 is a prime.

It is not a weakly prime, because it can be changed into another prime (11792180219) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5896090104 + 5896090105.

It is an arithmetic number, because the mean of its divisors is an integer number (5896090105).

Almost surely, 2^11792180209 is an apocalyptic number.

It is an amenable number.

11792180209 is a deficient number, since it is larger than the sum of its proper divisors (1).

11792180209 is an equidigital number, since it uses as much as digits as its factorization.

11792180209 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 18144, while the sum is 40.

The spelling of 11792180209 in words is "eleven billion, seven hundred ninety-two million, one hundred eighty thousand, two hundred nine".