13333120081 has 2 divisors, whose sum is σ = 13333120082. Its totient is φ = 13333120080.

The previous prime is 13333120063. The next prime is 13333120169. The reversal of 13333120081 is 18002133331.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 9635385600 + 3697734481 = 98160^2 + 60809^2 .

It is a cyclic number.

It is not a de Polignac number, because 13333120081 - 2¹¹ = 13333118033 is a prime.

It is a super-2 number, since 2×13333120081² (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (13333123081) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6666560040 + 6666560041.

It is an arithmetic number, because the mean of its divisors is an integer number (6666560041).

Almost surely, 2^13333120081 is an apocalyptic number.

It is an amenable number.

13333120081 is a deficient number, since it is larger than the sum of its proper divisors (1).

13333120081 is an equidigital number, since it uses as much as digits as its factorization.

13333120081 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1296, while the sum is 25.

The spelling of 13333120081 in words is "thirteen billion, three hundred thirty-three million, one hundred twenty thousand, eighty-one".