11216011711 has 2 divisors, whose sum is σ = 11216011712. Its totient is φ = 11216011710.

The previous prime is 11216011643. The next prime is 11216011727. The reversal of 11216011711 is 11711061211.

It is a strong prime.

It is an emirp because it is prime and its reverse (11711061211) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 11216011711 - 2³³ = 2626077119 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11216011811) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5608005855 + 5608005856.

It is an arithmetic number, because the mean of its divisors is an integer number (5608005856).

Almost surely, 2^11216011711 is an apocalyptic number.

11216011711 is a deficient number, since it is larger than the sum of its proper divisors (1).

11216011711 is an equidigital number, since it uses as much as digits as its factorization.

11216011711 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 84, while the sum is 22.

Multiplying 11216011711 by its sum of digits (22), we get a palindrome (246752257642).

Adding to 11216011711 its reverse (11711061211), we get a palindrome (22927072922).

The spelling of 11216011711 in words is "eleven billion, two hundred sixteen million, eleven thousand, seven hundred eleven".