11563301473 has 2 divisors, whose sum is σ = 11563301474. Its totient is φ = 11563301472.

The previous prime is 11563301429. The next prime is 11563301501. The reversal of 11563301473 is 37410336511.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 8118550609 + 3444750864 = 90103^2 + 58692^2 .

It is a cyclic number.

It is not a de Polignac number, because 11563301473 - 2²¹ = 11561204321 is a prime.

It is not a weakly prime, because it can be changed into another prime (11563308473) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5781650736 + 5781650737.

It is an arithmetic number, because the mean of its divisors is an integer number (5781650737).

Almost surely, 2^11563301473 is an apocalyptic number.

It is an amenable number.

11563301473 is a deficient number, since it is larger than the sum of its proper divisors (1).

11563301473 is an equidigital number, since it uses as much as digits as its factorization.

11563301473 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 22680, while the sum is 34.

Adding to 11563301473 its reverse (37410336511), we get a palindrome (48973637984).

The spelling of 11563301473 in words is "eleven billion, five hundred sixty-three million, three hundred one thousand, four hundred seventy-three".