11066320481 has 2 divisors, whose sum is σ = 11066320482. Its totient is φ = 11066320480.

The previous prime is 11066320451. The next prime is 11066320483. The reversal of 11066320481 is 18402366011.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 10502970256 + 563350225 = 102484^2 + 23735^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11066320481 is a prime.

It is a super-2 number, since 2×11066320481² (a number of 21 digits) contains 22 as substring.

Together with 11066320483, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (11066320483) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5533160240 + 5533160241.

It is an arithmetic number, because the mean of its divisors is an integer number (5533160241).

Almost surely, 2^11066320481 is an apocalyptic number.

It is an amenable number.

11066320481 is a deficient number, since it is larger than the sum of its proper divisors (1).

11066320481 is an equidigital number, since it uses as much as digits as its factorization.

11066320481 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6912, while the sum is 32.

Adding to 11066320481 its reverse (18402366011), we get a palindrome (29468686492).

The spelling of 11066320481 in words is "eleven billion, sixty-six million, three hundred twenty thousand, four hundred eighty-one".