11300320081 has 2 divisors, whose sum is σ = 11300320082. Its totient is φ = 11300320080.

The previous prime is 11300320079. The next prime is 11300320093. The reversal of 11300320081 is 18002300311.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 7025121856 + 4275198225 = 83816^2 + 65385^2 .

It is a cyclic number.

It is not a de Polignac number, because 11300320081 - 2¹ = 11300320079 is a prime.

It is a super-2 number, since 2×11300320081² (a number of 21 digits) contains 22 as substring.

Together with 11300320079, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (11300320181) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5650160040 + 5650160041.

It is an arithmetic number, because the mean of its divisors is an integer number (5650160041).

Almost surely, 2^11300320081 is an apocalyptic number.

It is an amenable number.

11300320081 is a deficient number, since it is larger than the sum of its proper divisors (1).

11300320081 is an equidigital number, since it uses as much as digits as its factorization.

11300320081 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 144, while the sum is 19.

Adding to 11300320081 its reverse (18002300311), we get a palindrome (29302620392).

The spelling of 11300320081 in words is "eleven billion, three hundred million, three hundred twenty thousand, eighty-one".