12111766627 has 4 divisors (see below), whose sum is σ = 12638365200. Its totient is φ = 11585168056.

The previous prime is 12111766577. The next prime is 12111766643. The reversal of 12111766627 is 72666711121.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12111766627 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 12111766627.

It is not an unprimeable number, because it can be changed into a prime (12111766697) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 263299252 + ... + 263299297.

It is an arithmetic number, because the mean of its divisors is an integer number (3159591300).

Almost surely, 2^12111766627 is an apocalyptic number.

12111766627 is a deficient number, since it is larger than the sum of its proper divisors (526598573).

12111766627 is an equidigital number, since it uses as much as digits as its factorization.

12111766627 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 526598572.

The product of its digits is 42336, while the sum is 40.

The spelling of 12111766627 in words is "twelve billion, one hundred eleven million, seven hundred sixty-six thousand, six hundred twenty-seven".