12441611111 has 2 divisors, whose sum is σ = 12441611112. Its totient is φ = 12441611110.

The previous prime is 12441611093. The next prime is 12441611131. The reversal of 12441611111 is 11111614421.

It is a happy number.

It is a weak prime.

It is an emirp because it is prime and its reverse (11111614421) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12441611111 is a prime.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12441611131) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6220805555 + 6220805556.

It is an arithmetic number, because the mean of its divisors is an integer number (6220805556).

Almost surely, 2^12441611111 is an apocalyptic number.

12441611111 is a deficient number, since it is larger than the sum of its proper divisors (1).

12441611111 is an equidigital number, since it uses as much as digits as its factorization.

12441611111 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 192, while the sum is 23.

The spelling of 12441611111 in words is "twelve billion, four hundred forty-one million, six hundred eleven thousand, one hundred eleven".