12655161780929 has 2 divisors, whose sum is σ = 12655161780930. Its totient is φ = 12655161780928.

The previous prime is 12655161780923. The next prime is 12655161780931. The reversal of 12655161780929 is 92908716155621.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 10579257140929 + 2075904640000 = 3252577^2 + 1440800^2 .

It is a cyclic number.

It is not a de Polignac number, because 12655161780929 - 2³⁶ = 12586442304193 is a prime.

It is a super-3 number, since 3×12655161780929³ (a number of 40 digits) contains 333 as substring.

Together with 12655161780931, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (12655161780923) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6327580890464 + 6327580890465.

It is an arithmetic number, because the mean of its divisors is an integer number (6327580890465).

Almost surely, 2^{12655161780929} is an apocalyptic number.

It is an amenable number.

12655161780929 is a deficient number, since it is larger than the sum of its proper divisors (1).

12655161780929 is an equidigital number, since it uses as much as digits as its factorization.

12655161780929 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 16329600, while the sum is 62.

The spelling of 12655161780929 in words is "twelve trillion, six hundred fifty-five billion, one hundred sixty-one million, seven hundred eighty thousand, nine hundred twenty-nine".