11216816713 has 2 divisors, whose sum is σ = 11216816714. Its totient is φ = 11216816712.

The previous prime is 11216816711. The next prime is 11216816719. The reversal of 11216816713 is 31761861211.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 11039074489 + 177742224 = 105067^2 + 13332^2 .

It is a cyclic number.

It is not a de Polignac number, because 11216816713 - 2¹ = 11216816711 is a prime.

It is a super-2 number, since 2×11216816713² (a number of 21 digits) contains 22 as substring.

Together with 11216816711, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (11216816711) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5608408356 + 5608408357.

It is an arithmetic number, because the mean of its divisors is an integer number (5608408357).

Almost surely, 2^11216816713 is an apocalyptic number.

It is an amenable number.

11216816713 is a deficient number, since it is larger than the sum of its proper divisors (1).

11216816713 is an equidigital number, since it uses as much as digits as its factorization.

11216816713 is an evil number, because the sum of its binary digits is even.

The product of its digits is 12096, while the sum is 37.

It can be divided in two parts, 112168 and 16713, that added together give a square (128881 = 359²).

The spelling of 11216816713 in words is "eleven billion, two hundred sixteen million, eight hundred sixteen thousand, seven hundred thirteen".