1111116111111 has 12 divisors (see below), whose sum is σ = 1660288442280. Its totient is φ = 715201174800.

The previous prime is 1111116110999. The next prime is 1111116111121.

1111116111111 is a `hidden beast` number, since 11 + 11 + 11 + 611 + 11 + 11 = 666.

1111116111111 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 1111116111111 - 2¹³ = 1111116102919 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1111116111121) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2128574665 + ... + 2128575186.

It is an arithmetic number, because the mean of its divisors is an integer number (138357370190).

Almost surely, 2^{1111116111111} is an apocalyptic number.

1111116111111 is a deficient number, since it is larger than the sum of its proper divisors (549172331169).

1111116111111 is a wasteful number, since it uses less digits than its factorization.

1111116111111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4257149886 (or 4257149883 counting only the distinct ones).

The product of its digits is 6, while the sum is 18.

The spelling of 1111116111111 in words is "one trillion, one hundred eleven billion, one hundred sixteen million, one hundred eleven thousand, one hundred eleven".