11040442001 has 2 divisors, whose sum is σ = 11040442002. Its totient is φ = 11040442000.

The previous prime is 11040441983. The next prime is 11040442003. The reversal of 11040442001 is 10024404011.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 7451832976 + 3588609025 = 86324^2 + 59905^2 .

It is a cyclic number.

It is not a de Polignac number, because 11040442001 - 2¹⁰ = 11040440977 is a prime.

It is a Sophie Germain prime.

Together with 11040442003, it forms a pair of twin primes.

It is a Chen prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (11040442003) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5520221000 + 5520221001.

It is an arithmetic number, because the mean of its divisors is an integer number (5520221001).

Almost surely, 2^11040442001 is an apocalyptic number.

It is an amenable number.

11040442001 is a deficient number, since it is larger than the sum of its proper divisors (1).

11040442001 is an equidigital number, since it uses as much as digits as its factorization.

11040442001 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 128, while the sum is 17.

Adding to 11040442001 its reverse (10024404011), we get a palindrome (21064846012).

The spelling of 11040442001 in words is "eleven billion, forty million, four hundred forty-two thousand, one".