11128390297 has 2 divisors, whose sum is σ = 11128390298. Its totient is φ = 11128390296.

The previous prime is 11128390249. The next prime is 11128390303. The reversal of 11128390297 is 79209382111.

11128390297 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., 10855347721 + 273042576 = 104189^2 + 16524^2 .

It is a cyclic number.

It is not a de Polignac number, because 11128390297 - 2¹⁵ = 11128357529 is a prime.

It is not a weakly prime, because it can be changed into another prime (11128390237) 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, 5564195148 + 5564195149.

It is an arithmetic number, because the mean of its divisors is an integer number (5564195149).

Almost surely, 2^11128390297 is an apocalyptic number.

It is an amenable number.

11128390297 is a deficient number, since it is larger than the sum of its proper divisors (1).

11128390297 is an equidigital number, since it uses as much as digits as its factorization.

11128390297 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 54432, while the sum is 43.

The spelling of 11128390297 in words is "eleven billion, one hundred twenty-eight million, three hundred ninety thousand, two hundred ninety-seven".