11183656949 has 2 divisors, whose sum is σ = 11183656950. Its totient is φ = 11183656948.

The previous prime is 11183656871. The next prime is 11183656987. The reversal of 11183656949 is 94965638111.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 9356692900 + 1826964049 = 96730^2 + 42743^2 .

It is a cyclic number.

It is not a de Polignac number, because 11183656949 - 2²⁰ = 11182608373 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 11183656949.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11183656249) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5591828474 + 5591828475.

It is an arithmetic number, because the mean of its divisors is an integer number (5591828475).

Almost surely, 2^11183656949 is an apocalyptic number.

It is an amenable number.

11183656949 is a deficient number, since it is larger than the sum of its proper divisors (1).

11183656949 is an equidigital number, since it uses as much as digits as its factorization.

11183656949 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1399680, while the sum is 53.

The spelling of 11183656949 in words is "eleven billion, one hundred eighty-three million, six hundred fifty-six thousand, nine hundred forty-nine".