5081001152021 has 2 divisors, whose sum is σ = 5081001152022. Its totient is φ = 5081001152020.

The previous prime is 5081001151973. The next prime is 5081001152023. The reversal of 5081001152021 is 1202511001805.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 4385296692100 + 695704459921 = 2094110^2 + 834089^2 .

It is a cyclic number.

It is not a de Polignac number, because 5081001152021 - 2⁶ = 5081001151957 is a prime.

It is a Sophie Germain prime.

Together with 5081001152023, it forms a pair of twin primes.

It is a Chen prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5081001152023) 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, 2540500576010 + 2540500576011.

It is an arithmetic number, because the mean of its divisors is an integer number (2540500576011).

Almost surely, 2^{5081001152021} is an apocalyptic number.

It is an amenable number.

5081001152021 is a deficient number, since it is larger than the sum of its proper divisors (1).

5081001152021 is an equidigital number, since it uses as much as digits as its factorization.

5081001152021 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 800, while the sum is 26.

Adding to 5081001152021 its reverse (1202511001805), we get a palindrome (6283512153826).

The spelling of 5081001152021 in words is "five trillion, eighty-one billion, one million, one hundred fifty-two thousand, twenty-one".