5005000554991 has 2 divisors, whose sum is σ = 5005000554992. Its totient is φ = 5005000554990.

The previous prime is 5005000554959. The next prime is 5005000555013. The reversal of 5005000554991 is 1994550005005.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 5005000554991 - 2⁵ = 5005000554959 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5005000554391) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2502500277495 + 2502500277496.

It is an arithmetic number, because the mean of its divisors is an integer number (2502500277496).

Almost surely, 2^{5005000554991} is an apocalyptic number.

5005000554991 is a deficient number, since it is larger than the sum of its proper divisors (1).

5005000554991 is an equidigital number, since it uses as much as digits as its factorization.

5005000554991 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 202500, while the sum is 43.

Adding to 5005000554991 its reverse (1994550005005), we get a palindrome (6999550559996).

The spelling of 5005000554991 in words is "five trillion, five billion, five hundred fifty-four thousand, nine hundred ninety-one".