5000505521381 has 2 divisors, whose sum is σ = 5000505521382. Its totient is φ = 5000505521380.

The previous prime is 5000505521329. The next prime is 5000505521399. The reversal of 5000505521381 is 1831255050005.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2532684456481 + 2467821064900 = 1591441^2 + 1570930^2 .

It is a cyclic number.

It is not a de Polignac number, because 5000505521381 - 2¹⁸ = 5000505259237 is a prime.

It is a super-2 number, since 2×5000505521381² (a number of 26 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5000505526381) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2500252760690 + 2500252760691.

It is an arithmetic number, because the mean of its divisors is an integer number (2500252760691).

Almost surely, 2^{5000505521381} is an apocalyptic number.

It is an amenable number.

5000505521381 is a deficient number, since it is larger than the sum of its proper divisors (1).

5000505521381 is an equidigital number, since it uses as much as digits as its factorization.

5000505521381 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 30000, while the sum is 35.

The spelling of 5000505521381 in words is "five trillion, five hundred five million, five hundred twenty-one thousand, three hundred eighty-one".