5021340355021 has 2 divisors, whose sum is σ = 5021340355022. Its totient is φ = 5021340355020.

The previous prime is 5021340355007. The next prime is 5021340355091. The reversal of 5021340355021 is 1205530431205.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3125930080900 + 1895410274121 = 1768030^2 + 1376739^2 .

It is a cyclic number.

It is not a de Polignac number, because 5021340355021 - 2³⁹ = 4471584541133 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5021340355091) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2510670177510 + 2510670177511.

It is an arithmetic number, because the mean of its divisors is an integer number (2510670177511).

Almost surely, 2^{5021340355021} is an apocalyptic number.

It is an amenable number.

5021340355021 is a deficient number, since it is larger than the sum of its proper divisors (1).

5021340355021 is an equidigital number, since it uses as much as digits as its factorization.

5021340355021 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 18000, while the sum is 31.

Adding to 5021340355021 its reverse (1205530431205), we get a palindrome (6226870786226).

The spelling of 5021340355021 in words is "five trillion, twenty-one billion, three hundred forty million, three hundred fifty-five thousand, twenty-one".