5081021816527 has 2 divisors, whose sum is σ = 5081021816528. Its totient is φ = 5081021816526.

The previous prime is 5081021816491. The next prime is 5081021816579. The reversal of 5081021816527 is 7256181201805.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 5081021816527 - 2⁷ = 5081021816399 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5081021816327) 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, 2540510908263 + 2540510908264.

It is an arithmetic number, because the mean of its divisors is an integer number (2540510908264).

Almost surely, 2^{5081021816527} is an apocalyptic number.

5081021816527 is a deficient number, since it is larger than the sum of its proper divisors (1).

5081021816527 is an equidigital number, since it uses as much as digits as its factorization.

5081021816527 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 268800, while the sum is 46.

The spelling of 5081021816527 in words is "five trillion, eighty-one billion, twenty-one million, eight hundred sixteen thousand, five hundred twenty-seven".