13056999871 has 2 divisors, whose sum is σ = 13056999872. Its totient is φ = 13056999870.

The previous prime is 13056999869. The next prime is 13056999931. The reversal of 13056999871 is 17899965031.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 13056999871 - 2¹ = 13056999869 is a prime.

Together with 13056999869, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13056999971) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6528499935 + 6528499936.

It is an arithmetic number, because the mean of its divisors is an integer number (6528499936).

Almost surely, 2^13056999871 is an apocalyptic number.

13056999871 is a deficient number, since it is larger than the sum of its proper divisors (1).

13056999871 is an equidigital number, since it uses as much as digits as its factorization.

13056999871 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3674160, while the sum is 58.

The spelling of 13056999871 in words is "thirteen billion, fifty-six million, nine hundred ninety-nine thousand, eight hundred seventy-one".