12027855803057 has 2 divisors, whose sum is σ = 12027855803058. Its totient is φ = 12027855803056.

The previous prime is 12027855803023. The next prime is 12027855803063. The reversal of 12027855803057 is 75030855872021.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 11874909108001 + 152946695056 = 3445999^2 + 391084^2 .

It is a cyclic number.

It is not a de Polignac number, because 12027855803057 - 2¹⁴ = 12027855786673 is a prime.

It is not a weakly prime, because it can be changed into another prime (12027855803657) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6013927901528 + 6013927901529.

It is an arithmetic number, because the mean of its divisors is an integer number (6013927901529).

Almost surely, 2^{12027855803057} is an apocalyptic number.

It is an amenable number.

12027855803057 is a deficient number, since it is larger than the sum of its proper divisors (1).

12027855803057 is an equidigital number, since it uses as much as digits as its factorization.

12027855803057 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4704000, while the sum is 53.

The spelling of 12027855803057 in words is "twelve trillion, twenty-seven billion, eight hundred fifty-five million, eight hundred three thousand, fifty-seven".