5555005005061 has 2 divisors, whose sum is σ = 5555005005062. Its totient is φ = 5555005005060.

The previous prime is 5555005005037. The next prime is 5555005005097. The reversal of 5555005005061 is 1605005005555.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 5284182600225 + 270822404836 = 2298735^2 + 520406^2 .

It is a cyclic number.

It is not a de Polignac number, because 5555005005061 - 2³⁵ = 5520645266693 is a prime.

It is a super-2 number, since 2×5555005005061² (a number of 26 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 5555005005061.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5555005005461) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2777502502530 + 2777502502531.

It is an arithmetic number, because the mean of its divisors is an integer number (2777502502531).

Almost surely, 2^{5555005005061} is an apocalyptic number.

It is an amenable number.

5555005005061 is a deficient number, since it is larger than the sum of its proper divisors (1).

5555005005061 is an equidigital number, since it uses as much as digits as its factorization.

5555005005061 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 93750, while the sum is 37.

The spelling of 5555005005061 in words is "five trillion, five hundred fifty-five billion, five million, five thousand, sixty-one".