5050555055551 has 2 divisors, whose sum is σ = 5050555055552. Its totient is φ = 5050555055550.

The previous prime is 5050555055503. The next prime is 5050555055639. The reversal of 5050555055551 is 1555505550505.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 5050555055551 - 2³¹ = 5048407571903 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5050555065551) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2525277527775 + 2525277527776.

It is an arithmetic number, because the mean of its divisors is an integer number (2525277527776).

Almost surely, 2^{5050555055551} is an apocalyptic number.

5050555055551 is a deficient number, since it is larger than the sum of its proper divisors (1).

5050555055551 is an equidigital number, since it uses as much as digits as its factorization.

5050555055551 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1953125, while the sum is 46.

The spelling of 5050555055551 in words is "five trillion, fifty billion, five hundred fifty-five million, fifty-five thousand, five hundred fifty-one".