1111166011111 has 32 divisors (see below), whose sum is σ = 1218624057728. Its totient is φ = 1006985779200.

The previous prime is 1111166011097. The next prime is 1111166011301. The reversal of 1111166011111 is 1111106611111.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 1111166011111 - 2²⁷ = 1111031793383 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1111166015111) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 435579286 + ... + 435581836.

It is an arithmetic number, because the mean of its divisors is an integer number (38082001804).

Almost surely, 2^{1111166011111} is an apocalyptic number.

1111166011111 is a deficient number, since it is larger than the sum of its proper divisors (107458046617).

1111166011111 is a wasteful number, since it uses less digits than its factorization.

1111166011111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4571.

The product of its (nonzero) digits is 36, while the sum is 22.

The spelling of 1111166011111 in words is "one trillion, one hundred eleven billion, one hundred sixty-six million, eleven thousand, one hundred eleven".