5005005005551 has 2 divisors, whose sum is σ = 5005005005552. Its totient is φ = 5005005005550.

The previous prime is 5005005005527. The next prime is 5005005005629. The reversal of 5005005005551 is 1555005005005.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 5005005005551 - 2¹³ = 5005004997359 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5005005005051) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2502502502775 + 2502502502776.

It is an arithmetic number, because the mean of its divisors is an integer number (2502502502776).

Almost surely, 2^{5005005005551} is an apocalyptic number.

5005005005551 is a deficient number, since it is larger than the sum of its proper divisors (1).

5005005005551 is an equidigital number, since it uses as much as digits as its factorization.

5005005005551 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 15625, while the sum is 31.

The spelling of 5005005005551 in words is "five trillion, five billion, five million, five thousand, five hundred fifty-one".