11155100666 has 8 divisors (see below), whose sum is σ = 17140764564. Its totient is φ = 5441512480.

The previous prime is 11155100653. The next prime is 11155100669. The reversal of 11155100666 is 66600155111.

It can be written as a sum of positive squares in 2 ways, for example, as 8566428025 + 2588672641 = 92555^2 + 50879^2 .

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

It is not an unprimeable number, because it can be changed into a prime (11155100669) 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 3 ways as a sum of consecutive naturals, for example, 68018825 + ... + 68018988.

Almost surely, 2^11155100666 is an apocalyptic number.

11155100666 is a deficient number, since it is larger than the sum of its proper divisors (5985663898).

11155100666 is a wasteful number, since it uses less digits than its factorization.

11155100666 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 136037856.

The product of its (nonzero) digits is 5400, while the sum is 32.

Adding to 11155100666 its reverse (66600155111), we get a palindrome (77755255777).

The spelling of 11155100666 in words is "eleven billion, one hundred fifty-five million, one hundred thousand, six hundred sixty-six".