11056263397 has 2 divisors, whose sum is σ = 11056263398. Its totient is φ = 11056263396.

The previous prime is 11056263391. The next prime is 11056263437. The reversal of 11056263397 is 79336265011.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 9777056641 + 1279206756 = 98879^2 + 35766^2 .

It is a cyclic number.

It is not a de Polignac number, because 11056263397 - 2⁷ = 11056263269 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11056263391) 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, 5528131698 + 5528131699.

It is an arithmetic number, because the mean of its divisors is an integer number (5528131699).

Almost surely, 2^11056263397 is an apocalyptic number.

It is an amenable number.

11056263397 is a deficient number, since it is larger than the sum of its proper divisors (1).

11056263397 is an equidigital number, since it uses as much as digits as its factorization.

11056263397 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 204120, while the sum is 43.

The spelling of 11056263397 in words is "eleven billion, fifty-six million, two hundred sixty-three thousand, three hundred ninety-seven".