113111288666 has 16 divisors (see below), whose sum is σ = 170916894720. Its totient is φ = 56140299600.

The previous prime is 113111288617. The next prime is 113111288677. The reversal of 113111288666 is 666882111311.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 154010 + ... + 499941.

It is an arithmetic number, because the mean of its divisors is an integer number (10682305920).

Almost surely, 2^113111288666 is an apocalyptic number.

113111288666 is a deficient number, since it is larger than the sum of its proper divisors (57805606054).

113111288666 is a wasteful number, since it uses less digits than its factorization.

113111288666 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 654589.

The product of its digits is 82944, while the sum is 44.

Adding to 113111288666 its reverse (666882111311), we get a palindrome (779993399977).

The spelling of 113111288666 in words is "one hundred thirteen billion, one hundred eleven million, two hundred eighty-eight thousand, six hundred sixty-six".