11040011111 has 2 divisors, whose sum is σ = 11040011112. Its totient is φ = 11040011110.

The previous prime is 11040011057. The next prime is 11040011153. The reversal of 11040011111 is 11111004011.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 11040011111 - 2²² = 11035816807 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 11040011092 and 11040011101.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11040011611) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5520005555 + 5520005556.

It is an arithmetic number, because the mean of its divisors is an integer number (5520005556).

Almost surely, 2^11040011111 is an apocalyptic number.

11040011111 is a deficient number, since it is larger than the sum of its proper divisors (1).

11040011111 is an equidigital number, since it uses as much as digits as its factorization.

11040011111 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4, while the sum is 11.

Adding to 11040011111 its reverse (11111004011), we get a palindrome (22151015122).

The spelling of 11040011111 in words is "eleven billion, forty million, eleven thousand, one hundred eleven".