11110111066 has 8 divisors (see below), whose sum is σ = 16666355700. Its totient is φ = 5554659168.

The previous prime is 11110111057. The next prime is 11110111081. The reversal of 11110111066 is 66011101111.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 11092513041 + 17598025 = 105321^2 + 4195^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 161811 + ... + 220006.

Almost surely, 2^11110111066 is an apocalyptic number.

11110111066 is a deficient number, since it is larger than the sum of its proper divisors (5556244634).

11110111066 is a wasteful number, since it uses less digits than its factorization.

11110111066 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 396368.

The product of its (nonzero) digits is 36, while the sum is 19.

Adding to 11110111066 its reverse (66011101111), we get a palindrome (77121212177).

The spelling of 11110111066 in words is "eleven billion, one hundred ten million, one hundred eleven thousand, sixty-six".