8411200021057 has 2 divisors, whose sum is σ = 8411200021058. Its totient is φ = 8411200021056.

The previous prime is 8411200021033. The next prime is 8411200021187. The reversal of 8411200021057 is 7501200021148.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 4327227879601 + 4083972141456 = 2080199^2 + 2020884^2 .

It is a cyclic number.

It is not a de Polignac number, because 8411200021057 - 2¹⁹ = 8411199496769 is a prime.

It is not a weakly prime, because it can be changed into another prime (8411200021657) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4205600010528 + 4205600010529.

It is an arithmetic number, because the mean of its divisors is an integer number (4205600010529).

Almost surely, 2^{8411200021057} is an apocalyptic number.

It is an amenable number.

8411200021057 is a deficient number, since it is larger than the sum of its proper divisors (1).

8411200021057 is an equidigital number, since it uses as much as digits as its factorization.

8411200021057 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4480, while the sum is 31.

Subtracting from 8411200021057 its reverse (7501200021148), we obtain a palindrome (909999999909).

The spelling of 8411200021057 in words is "eight trillion, four hundred eleven billion, two hundred million, twenty-one thousand, fifty-seven".