11124446891 has 2 divisors, whose sum is σ = 11124446892. Its totient is φ = 11124446890.

The previous prime is 11124446863. The next prime is 11124446909. The reversal of 11124446891 is 19864442111.

11124446891 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 is a cyclic number.

It is not a de Polignac number, because 11124446891 - 2²² = 11120252587 is a prime.

It is not a weakly prime, because it can be changed into another prime (11124446821) 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, 5562223445 + 5562223446.

It is an arithmetic number, because the mean of its divisors is an integer number (5562223446).

Almost surely, 2^11124446891 is an apocalyptic number.

11124446891 is a deficient number, since it is larger than the sum of its proper divisors (1).

11124446891 is an equidigital number, since it uses as much as digits as its factorization.

11124446891 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 55296, while the sum is 41.

The spelling of 11124446891 in words is "eleven billion, one hundred twenty-four million, four hundred forty-six thousand, eight hundred ninety-one".