11251089779 has 2 divisors, whose sum is σ = 11251089780. Its totient is φ = 11251089778.

The previous prime is 11251089709. The next prime is 11251089803. The reversal of 11251089779 is 97798015211.

It is a happy number.

11251089779 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 11251089779 - 2²⁴ = 11234312563 is a prime.

It is not a weakly prime, because it can be changed into another prime (11251089709) 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, 5625544889 + 5625544890.

It is an arithmetic number, because the mean of its divisors is an integer number (5625544890).

Almost surely, 2^11251089779 is an apocalyptic number.

11251089779 is a deficient number, since it is larger than the sum of its proper divisors (1).

11251089779 is an equidigital number, since it uses as much as digits as its factorization.

11251089779 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 317520, while the sum is 50.

The spelling of 11251089779 in words is "eleven billion, two hundred fifty-one million, eighty-nine thousand, seven hundred seventy-nine".