11218001771 has 2 divisors, whose sum is σ = 11218001772. Its totient is φ = 11218001770.

The previous prime is 11218001741. The next prime is 11218001777. The reversal of 11218001771 is 17710081211.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 11218001771 - 2¹⁰ = 11218000747 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (11218001777) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5609000885 + 5609000886.

It is an arithmetic number, because the mean of its divisors is an integer number (5609000886).

Almost surely, 2^11218001771 is an apocalyptic number.

11218001771 is a deficient number, since it is larger than the sum of its proper divisors (1).

11218001771 is an equidigital number, since it uses as much as digits as its factorization.

11218001771 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 784, while the sum is 29.

Adding to 11218001771 its reverse (17710081211), we get a palindrome (28928082982).

The spelling of 11218001771 in words is "eleven billion, two hundred eighteen million, one thousand, seven hundred seventy-one".