11349005281 has 2 divisors, whose sum is σ = 11349005282. Its totient is φ = 11349005280.

The previous prime is 11349005279. The next prime is 11349005293. The reversal of 11349005281 is 18250094311.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 7659050256 + 3689955025 = 87516^2 + 60745^2 .

It is a cyclic number.

It is not a de Polignac number, because 11349005281 - 2¹ = 11349005279 is a prime.

It is a super-2 number, since 2×11349005281² (a number of 21 digits) contains 22 as substring.

Together with 11349005279, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (11349005201) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5674502640 + 5674502641.

It is an arithmetic number, because the mean of its divisors is an integer number (5674502641).

Almost surely, 2^11349005281 is an apocalyptic number.

It is an amenable number.

11349005281 is a deficient number, since it is larger than the sum of its proper divisors (1).

11349005281 is an equidigital number, since it uses as much as digits as its factorization.

11349005281 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 8640, while the sum is 34.

Adding to 11349005281 its reverse (18250094311), we get a palindrome (29599099592).

The spelling of 11349005281 in words is "eleven billion, three hundred forty-nine million, five thousand, two hundred eighty-one".