8130081300557 has 2 divisors, whose sum is σ = 8130081300558. Its totient is φ = 8130081300556.

The previous prime is 8130081300521. The next prime is 8130081300563. The reversal of 8130081300557 is 7550031800318.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 5498584148836 + 2631497151721 = 2344906^2 + 1622189^2 .

It is a cyclic number.

It is not a de Polignac number, because 8130081300557 - 2¹⁰ = 8130081299533 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (8130081900557) 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, 4065040650278 + 4065040650279.

It is an arithmetic number, because the mean of its divisors is an integer number (4065040650279).

Almost surely, 2^{8130081300557} is an apocalyptic number.

It is an amenable number.

8130081300557 is a deficient number, since it is larger than the sum of its proper divisors (1).

8130081300557 is an equidigital number, since it uses as much as digits as its factorization.

8130081300557 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 100800, while the sum is 41.

The spelling of 8130081300557 in words is "eight trillion, one hundred thirty billion, eighty-one million, three hundred thousand, five hundred fifty-seven".