12268518111 has 12 divisors (see below), whose sum is σ = 17756015160. Its totient is φ = 8162940240.

The previous prime is 12268518091. The next prime is 12268518151. The reversal of 12268518111 is 11181586221.

12268518111 is a `hidden beast` number, since 1 + 2 + 26 + 8 + 518 + 111 = 666.

It is not a de Polignac number, because 12268518111 - 2¹⁰ = 12268517087 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12268518151) 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, 1334485 + ... + 1343646.

It is an arithmetic number, because the mean of its divisors is an integer number (1479667930).

Almost surely, 2^12268518111 is an apocalyptic number.

12268518111 is a deficient number, since it is larger than the sum of its proper divisors (5487497049).

12268518111 is a wasteful number, since it uses less digits than its factorization.

12268518111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2678646 (or 2678643 counting only the distinct ones).

The product of its digits is 7680, while the sum is 36.

The spelling of 12268518111 in words is "twelve billion, two hundred sixty-eight million, five hundred eighteen thousand, one hundred eleven".