11057022666 has 96 divisors (see below), whose sum is σ = 26710178880. Its totient is φ = 3387992832.

The previous prime is 11057022637. The next prime is 11057022679. The reversal of 11057022666 is 66622075011.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 11057022666.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 662820 + ... + 679296.

It is an arithmetic number, because the mean of its divisors is an integer number (278231030).

Almost surely, 2^11057022666 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 11057022666, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13355089440).

11057022666 is an abundant number, since it is smaller than the sum of its proper divisors (15653156214).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11057022666 is a wasteful number, since it uses less digits than its factorization.

11057022666 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16565 (or 16542 counting only the distinct ones).

The product of its (nonzero) digits is 30240, while the sum is 36.

Adding to 11057022666 its reverse (66622075011), we get a palindrome (77679097677).

The spelling of 11057022666 in words is "eleven billion, fifty-seven million, twenty-two thousand, six hundred sixty-six".