12587226811 has 2 divisors, whose sum is σ = 12587226812. Its totient is φ = 12587226810.

The previous prime is 12587226809. The next prime is 12587226829. The reversal of 12587226811 is 11862278521.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 12587226811 - 2¹ = 12587226809 is a prime.

Together with 12587226809, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (12587226851) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6293613405 + 6293613406.

It is an arithmetic number, because the mean of its divisors is an integer number (6293613406).

Almost surely, 2^12587226811 is an apocalyptic number.

12587226811 is a deficient number, since it is larger than the sum of its proper divisors (1).

12587226811 is an equidigital number, since it uses as much as digits as its factorization.

12587226811 is an evil number, because the sum of its binary digits is even.

The product of its digits is 107520, while the sum is 43.

The spelling of 12587226811 in words is "twelve billion, five hundred eighty-seven million, two hundred twenty-six thousand, eight hundred eleven".