11014444081 has 2 divisors, whose sum is σ = 11014444082. Its totient is φ = 11014444080.

The previous prime is 11014444069. The next prime is 11014444157. The reversal of 11014444081 is 18044441011.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 10986184225 + 28259856 = 104815^2 + 5316^2 .

It is an emirp because it is prime and its reverse (18044441011) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 11014444081 - 2¹³ = 11014435889 is a prime.

It is a super-2 number, since 2×11014444081² (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (11014444681) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5507222040 + 5507222041.

It is an arithmetic number, because the mean of its divisors is an integer number (5507222041).

Almost surely, 2^11014444081 is an apocalyptic number.

It is an amenable number.

11014444081 is a deficient number, since it is larger than the sum of its proper divisors (1).

11014444081 is an equidigital number, since it uses as much as digits as its factorization.

11014444081 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2048, while the sum is 28.

Adding to 11014444081 its reverse (18044441011), we get a palindrome (29058885092).

The spelling of 11014444081 in words is "eleven billion, fourteen million, four hundred forty-four thousand, eighty-one".