11034442981 has 2 divisors, whose sum is σ = 11034442982. Its totient is φ = 11034442980.

The previous prime is 11034442949. The next prime is 11034443009. The reversal of 11034442981 is 18924443011.

11034442981 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 6687150625 + 4347292356 = 81775^2 + 65934^2 .

It is a cyclic number.

It is not a de Polignac number, because 11034442981 - 2⁵ = 11034442949 is a prime.

It is a super-2 number, since 2×11034442981² (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 11034442981.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11034412981) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5517221490 + 5517221491.

It is an arithmetic number, because the mean of its divisors is an integer number (5517221491).

Almost surely, 2^11034442981 is an apocalyptic number.

It is an amenable number.

11034442981 is a deficient number, since it is larger than the sum of its proper divisors (1).

11034442981 is an equidigital number, since it uses as much as digits as its factorization.

11034442981 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 27648, while the sum is 37.

Adding to 11034442981 its reverse (18924443011), we get a palindrome (29958885992).

The spelling of 11034442981 in words is "eleven billion, thirty-four million, four hundred forty-two thousand, nine hundred eighty-one".