13051822081 has 2 divisors, whose sum is σ = 13051822082. Its totient is φ = 13051822080.

The previous prime is 13051822073. The next prime is 13051822129. The reversal of 13051822081 is 18022815031.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 13015159056 + 36663025 = 114084^2 + 6055^2 .

It is a cyclic number.

It is not a de Polignac number, because 13051822081 - 2³ = 13051822073 is a prime.

It is a super-2 number, since 2×13051822081² (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (13051822031) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6525911040 + 6525911041.

It is an arithmetic number, because the mean of its divisors is an integer number (6525911041).

Almost surely, 2^13051822081 is an apocalyptic number.

It is an amenable number.

13051822081 is a deficient number, since it is larger than the sum of its proper divisors (1).

13051822081 is an equidigital number, since it uses as much as digits as its factorization.

13051822081 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3840, while the sum is 31.

The spelling of 13051822081 in words is "thirteen billion, fifty-one million, eight hundred twenty-two thousand, eighty-one".