11216711 has 4 divisors (see below), whose sum is σ = 12236424. Its totient is φ = 10197000.

The previous prime is 11216693. The next prime is 11216713. The reversal of 11216711 is 11761211.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 11216711 - 2¹⁴ = 11200327 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11216713) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 509840 + ... + 509861.

It is an arithmetic number, because the mean of its divisors is an integer number (3059106).

Almost surely, 2^11216711 is an apocalyptic number.

11216711 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

11216711 is a deficient number, since it is larger than the sum of its proper divisors (1019713).

11216711 is a wasteful number, since it uses less digits than its factorization.

11216711 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1019712.

The product of its digits is 84, while the sum is 20.

The square root of 11216711 is about 3349.1358586955. The cubic root of 11216711 is about 223.8490093742.

Adding to 11216711 its reverse (11761211), we get a palindrome (22977922).

The spelling of 11216711 in words is "eleven million, two hundred sixteen thousand, seven hundred eleven".