5055556110989 has 2 divisors, whose sum is σ = 5055556110990. Its totient is φ = 5055556110988.

The previous prime is 5055556110977. The next prime is 5055556111019. The reversal of 5055556110989 is 9890116555505.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3929644122889 + 1125911988100 = 1982333^2 + 1061090^2 .

It is a cyclic number.

It is not a de Polignac number, because 5055556110989 - 2³² = 5051261143693 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5055556113989) 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, 2527778055494 + 2527778055495.

It is an arithmetic number, because the mean of its divisors is an integer number (2527778055495).

Almost surely, 2^{5055556110989} is an apocalyptic number.

It is an amenable number.

5055556110989 is a deficient number, since it is larger than the sum of its proper divisors (1).

5055556110989 is an equidigital number, since it uses as much as digits as its factorization.

5055556110989 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 12150000, while the sum is 59.

The spelling of 5055556110989 in words is "five trillion, fifty-five billion, five hundred fifty-six million, one hundred ten thousand, nine hundred eighty-nine".