111066666105 has 16 divisors (see below), whose sum is σ = 178002365184. Its totient is φ = 59136988800.

The previous prime is 111066666079. The next prime is 111066666121. The reversal of 111066666105 is 501666660111.

It is not a de Polignac number, because 111066666105 - 2¹³ = 111066657913 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6151089 + ... + 6169118.

It is an arithmetic number, because the mean of its divisors is an integer number (11125147824).

Almost surely, 2^111066666105 is an apocalyptic number.

111066666105 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

111066666105 is a deficient number, since it is larger than the sum of its proper divisors (66935699079).

111066666105 is a wasteful number, since it uses less digits than its factorization.

111066666105 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12320816.

The product of its (nonzero) digits is 38880, while the sum is 39.

The spelling of 111066666105 in words is "one hundred eleven billion, sixty-six million, six hundred sixty-six thousand, one hundred five".