12134115811 has 2 divisors, whose sum is σ = 12134115812. Its totient is φ = 12134115810.

The previous prime is 12134115797. The next prime is 12134115817. The reversal of 12134115811 is 11851143121.

It is a strong prime.

It is an emirp because it is prime and its reverse (11851143121) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 12134115811 - 2⁵ = 12134115779 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 12134115811.

It is not a weakly prime, because it can be changed into another prime (12134115817) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6067057905 + 6067057906.

It is an arithmetic number, because the mean of its divisors is an integer number (6067057906).

Almost surely, 2^12134115811 is an apocalyptic number.

12134115811 is a deficient number, since it is larger than the sum of its proper divisors (1).

12134115811 is an equidigital number, since it uses as much as digits as its factorization.

12134115811 is an evil number, because the sum of its binary digits is even.

The product of its digits is 960, while the sum is 28.

Adding to 12134115811 its reverse (11851143121), we get a palindrome (23985258932).

The spelling of 12134115811 in words is "twelve billion, one hundred thirty-four million, one hundred fifteen thousand, eight hundred eleven".