11142404311 has 2 divisors, whose sum is σ = 11142404312. Its totient is φ = 11142404310.

The previous prime is 11142404281. The next prime is 11142404393. The reversal of 11142404311 is 11340424111.

It is a weak prime.

It is an emirp because it is prime and its reverse (11340424111) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 11142404311 - 2¹¹ = 11142402263 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11142404411) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5571202155 + 5571202156.

It is an arithmetic number, because the mean of its divisors is an integer number (5571202156).

Almost surely, 2^11142404311 is an apocalyptic number.

11142404311 is a deficient number, since it is larger than the sum of its proper divisors (1).

11142404311 is an equidigital number, since it uses as much as digits as its factorization.

11142404311 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 384, while the sum is 22.

Adding to 11142404311 its reverse (11340424111), we get a palindrome (22482828422).

The spelling of 11142404311 in words is "eleven billion, one hundred forty-two million, four hundred four thousand, three hundred eleven".