11554824949 has 2 divisors, whose sum is σ = 11554824950. Its totient is φ = 11554824948.

The previous prime is 11554824947. The next prime is 11554824971. The reversal of 11554824949 is 94942845511.

11554824949 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 6628890724 + 4925934225 = 81418^2 + 70185^2 .

It is a cyclic number.

It is not a de Polignac number, because 11554824949 - 2¹ = 11554824947 is a prime.

Together with 11554824947, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 11554824896 and 11554824905.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11554824947) 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, 5777412474 + 5777412475.

It is an arithmetic number, because the mean of its divisors is an integer number (5777412475).

Almost surely, 2^11554824949 is an apocalyptic number.

It is an amenable number.

11554824949 is a deficient number, since it is larger than the sum of its proper divisors (1).

11554824949 is an equidigital number, since it uses as much as digits as its factorization.

11554824949 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2073600, while the sum is 52.

The spelling of 11554824949 in words is "eleven billion, five hundred fifty-four million, eight hundred twenty-four thousand, nine hundred forty-nine".