11146664111 has 24 divisors (see below), whose sum is σ = 12502317072. Its totient is φ = 9928512000.

The previous prime is 11146664077. The next prime is 11146664131.

11146664111 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 11146664111 - 2²⁶ = 11079555247 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 (11146664131) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1180736 + ... + 1190138.

It is an arithmetic number, because the mean of its divisors is an integer number (520929878).

Almost surely, 2^11146664111 is an apocalyptic number.

11146664111 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

11146664111 is a deficient number, since it is larger than the sum of its proper divisors (1355652961).

11146664111 is a wasteful number, since it uses less digits than its factorization.

11146664111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9623 (or 9612 counting only the distinct ones).

The product of its digits is 3456, while the sum is 32.

The spelling of 11146664111 in words is "eleven billion, one hundred forty-six million, six hundred sixty-four thousand, one hundred eleven".