11622818789 has 2 divisors, whose sum is σ = 11622818790. Its totient is φ = 11622818788.

The previous prime is 11622818777. The next prime is 11622818813. The reversal of 11622818789 is 98781822611.

11622818789 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 can be written as a sum of positive squares in only one way, i.e., 7609596289 + 4013222500 = 87233^2 + 63350^2 .

It is a cyclic number.

It is not a de Polignac number, because 11622818789 - 2¹⁶ = 11622753253 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 11622818789.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11622818759) 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, 5811409394 + 5811409395.

It is an arithmetic number, because the mean of its divisors is an integer number (5811409395).

Almost surely, 2^11622818789 is an apocalyptic number.

It is an amenable number.

11622818789 is a deficient number, since it is larger than the sum of its proper divisors (1).

11622818789 is an equidigital number, since it uses as much as digits as its factorization.

11622818789 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 774144, while the sum is 53.

The spelling of 11622818789 in words is "eleven billion, six hundred twenty-two million, eight hundred eighteen thousand, seven hundred eighty-nine".