9966059151331 has 2 divisors, whose sum is σ = 9966059151332. Its totient is φ = 9966059151330.

The previous prime is 9966059151311. The next prime is 9966059151337. The reversal of 9966059151331 is 1331519506699.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 9966059151331 - 2⁵ = 9966059151299 is a prime.

It is a super-2 number, since 2×9966059151331² (a number of 27 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (9966059151337) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4983029575665 + 4983029575666.

It is an arithmetic number, because the mean of its divisors is an integer number (4983029575666).

Almost surely, 2^{9966059151331} is an apocalyptic number.

9966059151331 is a deficient number, since it is larger than the sum of its proper divisors (1).

9966059151331 is an equidigital number, since it uses as much as digits as its factorization.

9966059151331 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5904900, while the sum is 58.

The spelling of 9966059151331 in words is "nine trillion, nine hundred sixty-six billion, fifty-nine million, one hundred fifty-one thousand, three hundred thirty-one".