11328947797 has 2 divisors, whose sum is σ = 11328947798. Its totient is φ = 11328947796.

The previous prime is 11328947783. The next prime is 11328947807. The reversal of 11328947797 is 79774982311.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 9864661041 + 1464286756 = 99321^2 + 38266^2 .

It is a cyclic number.

It is not a de Polignac number, because 11328947797 - 2²⁷ = 11194730069 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11328947767) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5664473898 + 5664473899.

It is an arithmetic number, because the mean of its divisors is an integer number (5664473899).

Almost surely, 2^11328947797 is an apocalyptic number.

It is an amenable number.

11328947797 is a deficient number, since it is larger than the sum of its proper divisors (1).

11328947797 is an equidigital number, since it uses as much as digits as its factorization.

11328947797 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 5334336, while the sum is 58.

The spelling of 11328947797 in words is "eleven billion, three hundred twenty-eight million, nine hundred forty-seven thousand, seven hundred ninety-seven".