11042042311 has 2 divisors, whose sum is σ = 11042042312. Its totient is φ = 11042042310.

The previous prime is 11042042237. The next prime is 11042042339. The reversal of 11042042311 is 11324024011.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 11042042311 - 2⁷ = 11042042183 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11042042371) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5521021155 + 5521021156.

It is an arithmetic number, because the mean of its divisors is an integer number (5521021156).

Almost surely, 2^11042042311 is an apocalyptic number.

11042042311 is a deficient number, since it is larger than the sum of its proper divisors (1).

11042042311 is an equidigital number, since it uses as much as digits as its factorization.

11042042311 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 192, while the sum is 19.

Adding to 11042042311 its reverse (11324024011), we get a palindrome (22366066322).

The spelling of 11042042311 in words is "eleven billion, forty-two million, forty-two thousand, three hundred eleven".