11666112267 has 16 divisors (see below), whose sum is σ = 15584518400. Its totient is φ = 7762576032.

The previous prime is 11666112259. The next prime is 11666112301. The reversal of 11666112267 is 76221166611.

It is not a de Polignac number, because 11666112267 - 2³ = 11666112259 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11666112217) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7169508 + ... + 7171134.

It is an arithmetic number, because the mean of its divisors is an integer number (974032400).

Almost surely, 2^11666112267 is an apocalyptic number.

11666112267 is a deficient number, since it is larger than the sum of its proper divisors (3918406133).

11666112267 is a wasteful number, since it uses less digits than its factorization.

11666112267 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4722.

The product of its digits is 36288, while the sum is 39.

Adding to 11666112267 its reverse (76221166611), we get a palindrome (87887278878).

The spelling of 11666112267 in words is "eleven billion, six hundred sixty-six million, one hundred twelve thousand, two hundred sixty-seven".