11722544266 has 16 divisors (see below), whose sum is σ = 18515692800. Its totient is φ = 5550860448.

The previous prime is 11722544261. The next prime is 11722544299. The reversal of 11722544266 is 66244522711.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (11722544261) 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 in 7 ways as a sum of consecutive naturals, for example, 60871 + ... + 164773.

It is an arithmetic number, because the mean of its divisors is an integer number (1157230800).

Almost surely, 2^11722544266 is an apocalyptic number.

11722544266 is a deficient number, since it is larger than the sum of its proper divisors (6793148534).

11722544266 is a wasteful number, since it uses less digits than its factorization.

11722544266 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 106893.

The product of its digits is 161280, while the sum is 40.

The spelling of 11722544266 in words is "eleven billion, seven hundred twenty-two million, five hundred forty-four thousand, two hundred sixty-six".