11404440011 has 2 divisors, whose sum is σ = 11404440012. Its totient is φ = 11404440010.

The previous prime is 11404440007. The next prime is 11404440017. The reversal of 11404440011 is 11004440411.

It is a happy number.

It is a weak prime.

It is an emirp because it is prime and its reverse (11004440411) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 11404440011 - 2² = 11404440007 is a prime.

It is a super-2 number, since 2×11404440011² (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (11404440017) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5702220005 + 5702220006.

It is an arithmetic number, because the mean of its divisors is an integer number (5702220006).

Almost surely, 2^11404440011 is an apocalyptic number.

11404440011 is a deficient number, since it is larger than the sum of its proper divisors (1).

11404440011 is an equidigital number, since it uses as much as digits as its factorization.

11404440011 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 256, while the sum is 20.

Adding to 11404440011 its reverse (11004440411), we get a palindrome (22408880422).

The spelling of 11404440011 in words is "eleven billion, four hundred four million, four hundred forty thousand, eleven".