12516243611 has 2 divisors, whose sum is σ = 12516243612. Its totient is φ = 12516243610.

The previous prime is 12516243529. The next prime is 12516243631. The reversal of 12516243611 is 11634261521.

12516243611 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12516243611 is a prime.

It is not a weakly prime, because it can be changed into another prime (12516243631) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6258121805 + 6258121806.

It is an arithmetic number, because the mean of its divisors is an integer number (6258121806).

Almost surely, 2^12516243611 is an apocalyptic number.

12516243611 is a deficient number, since it is larger than the sum of its proper divisors (1).

12516243611 is an equidigital number, since it uses as much as digits as its factorization.

12516243611 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 8640, while the sum is 32.

The spelling of 12516243611 in words is "twelve billion, five hundred sixteen million, two hundred forty-three thousand, six hundred eleven".