11667774211 has 2 divisors, whose sum is σ = 11667774212. Its totient is φ = 11667774210.

The previous prime is 11667774197. The next prime is 11667774227. The reversal of 11667774211 is 11247776611.

11667774211 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is an emirp because it is prime and its reverse (11247776611) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 11667774211 - 2⁹ = 11667773699 is a prime.

It is a super-2 number, since 2×11667774211² (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (11667774311) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5833887105 + 5833887106.

It is an arithmetic number, because the mean of its divisors is an integer number (5833887106).

Almost surely, 2^11667774211 is an apocalyptic number.

11667774211 is a deficient number, since it is larger than the sum of its proper divisors (1).

11667774211 is an equidigital number, since it uses as much as digits as its factorization.

11667774211 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 98784, while the sum is 43.

The spelling of 11667774211 in words is "eleven billion, six hundred sixty-seven million, seven hundred seventy-four thousand, two hundred eleven".