13281256211 has 2 divisors, whose sum is σ = 13281256212. Its totient is φ = 13281256210.

The previous prime is 13281256169. The next prime is 13281256223. The reversal of 13281256211 is 11265218231.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 13281256211 - 2¹⁰ = 13281255187 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (13281252211) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6640628105 + 6640628106.

It is an arithmetic number, because the mean of its divisors is an integer number (6640628106).

Almost surely, 2^13281256211 is an apocalyptic number.

13281256211 is a deficient number, since it is larger than the sum of its proper divisors (1).

13281256211 is an equidigital number, since it uses as much as digits as its factorization.

13281256211 is an evil number, because the sum of its binary digits is even.

The product of its digits is 5760, while the sum is 32.

The spelling of 13281256211 in words is "thirteen billion, two hundred eighty-one million, two hundred fifty-six thousand, two hundred eleven".