111056100666 has 48 divisors (see below), whose sum is σ = 258972424704. Its totient is φ = 31656998016.

The previous prime is 111056100643. The next prime is 111056100679. The reversal of 111056100666 is 666001650111.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 308890 + ... + 563493.

It is an arithmetic number, because the mean of its divisors is an integer number (5395258848).

Almost surely, 2^111056100666 is an apocalyptic number.

111056100666 is an abundant number, since it is smaller than the sum of its proper divisors (147916324038).

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

111056100666 is a wasteful number, since it uses less digits than its factorization.

111056100666 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 872835 (or 872828 counting only the distinct ones).

The product of its (nonzero) digits is 6480, while the sum is 33.

Adding to 111056100666 its reverse (666001650111), we get a palindrome (777057750777).

The spelling of 111056100666 in words is "one hundred eleven billion, fifty-six million, one hundred thousand, six hundred sixty-six".