12553144455329 has 2 divisors, whose sum is σ = 12553144455330. Its totient is φ = 12553144455328.

The previous prime is 12553144455311. The next prime is 12553144455463. The reversal of 12553144455329 is 92355444135521.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 10514117532304 + 2039026923025 = 3242548^2 + 1427945^2 .

It is a cyclic number.

It is not a de Polignac number, because 12553144455329 - 2¹² = 12553144451233 is a prime.

It is not a weakly prime, because it can be changed into another prime (12553644455329) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6276572227664 + 6276572227665.

It is an arithmetic number, because the mean of its divisors is an integer number (6276572227665).

Almost surely, 2^{12553144455329} is an apocalyptic number.

It is an amenable number.

12553144455329 is a deficient number, since it is larger than the sum of its proper divisors (1).

12553144455329 is an equidigital number, since it uses as much as digits as its factorization.

12553144455329 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 12960000, while the sum is 53.

The spelling of 12553144455329 in words is "twelve trillion, five hundred fifty-three billion, one hundred forty-four million, four hundred fifty-five thousand, three hundred twenty-nine".