11185884049 has 2 divisors, whose sum is σ = 11185884050. Its totient is φ = 11185884048.

The previous prime is 11185884013. The next prime is 11185884071. The reversal of 11185884049 is 94048858111.

11185884049 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 11097147649 + 88736400 = 105343^2 + 9420^2 .

It is a cyclic number.

It is not a de Polignac number, because 11185884049 - 2²⁷ = 11051666321 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 11185883993 and 11185884011.

It is not a weakly prime, because it can be changed into another prime (11185887049) 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 as a sum of consecutive naturals, namely, 5592942024 + 5592942025.

It is an arithmetic number, because the mean of its divisors is an integer number (5592942025).

Almost surely, 2^11185884049 is an apocalyptic number.

It is an amenable number.

11185884049 is a deficient number, since it is larger than the sum of its proper divisors (1).

11185884049 is an equidigital number, since it uses as much as digits as its factorization.

11185884049 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 368640, while the sum is 49.

The spelling of 11185884049 in words is "eleven billion, one hundred eighty-five million, eight hundred eighty-four thousand, forty-nine".