11428325549 has 2 divisors, whose sum is σ = 11428325550. Its totient is φ = 11428325548.

The previous prime is 11428325509. The next prime is 11428325563. The reversal of 11428325549 is 94552382411.

11428325549 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., 6101953225 + 5326372324 = 78115^2 + 72982^2 .

It is a cyclic number.

It is not a de Polignac number, because 11428325549 - 2¹² = 11428321453 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11428325509) 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, 5714162774 + 5714162775.

It is an arithmetic number, because the mean of its divisors is an integer number (5714162775).

Almost surely, 2^11428325549 is an apocalyptic number.

It is an amenable number.

11428325549 is a deficient number, since it is larger than the sum of its proper divisors (1).

11428325549 is an equidigital number, since it uses as much as digits as its factorization.

11428325549 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 345600, while the sum is 44.

The spelling of 11428325549 in words is "eleven billion, four hundred twenty-eight million, three hundred twenty-five thousand, five hundred forty-nine".