11010015666 has 64 divisors (see below), whose sum is σ = 26407180800. Its totient is φ = 3380185728.

The previous prime is 11010015641. The next prime is 11010015683. The reversal of 11010015666 is 66651001011.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 303655 + ... + 337973.

It is an arithmetic number, because the mean of its divisors is an integer number (412612200).

Almost surely, 2^11010015666 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 11010015666, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13203590400).

11010015666 is an abundant number, since it is smaller than the sum of its proper divisors (15397165134).

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

11010015666 is a wasteful number, since it uses less digits than its factorization.

11010015666 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34800 (or 34794 counting only the distinct ones).

The product of its (nonzero) digits is 1080, while the sum is 27.

Adding to 11010015666 its reverse (66651001011), we get a palindrome (77661016677).

The spelling of 11010015666 in words is "eleven billion, ten million, fifteen thousand, six hundred sixty-six".