111366663111 has 48 divisors (see below), whose sum is σ = 186252157728. Its totient is φ = 63373363200.

The previous prime is 111366663103. The next prime is 111366663131.

111366663111 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 111366663111 - 2³ = 111366663103 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111366663131) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 629955 + ... + 787131.

It is an arithmetic number, because the mean of its divisors is an integer number (3880253286).

Almost surely, 2^111366663111 is an apocalyptic number.

111366663111 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

111366663111 is a deficient number, since it is larger than the sum of its proper divisors (74885494617).

111366663111 is a wasteful number, since it uses less digits than its factorization.

111366663111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 157632 (or 157629 counting only the distinct ones).

The product of its digits is 11664, while the sum is 36.

It can be divided in two parts, 111366 and 663111, that added together give a palindrome (774477).

The spelling of 111366663111 in words is "one hundred eleven billion, three hundred sixty-six million, six hundred sixty-three thousand, one hundred eleven".