5555100561089 has 2 divisors, whose sum is σ = 5555100561090. Its totient is φ = 5555100561088.

The previous prime is 5555100560993. The next prime is 5555100561103. The reversal of 5555100561089 is 9801650015555.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3533892418225 + 2021208142864 = 1879865^2 + 1421692^2 .

It is a cyclic number.

It is not a de Polignac number, because 5555100561089 - 2²⁰ = 5555099512513 is a prime.

It is a super-2 number, since 2×5555100561089² (a number of 26 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (5555400561089) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2777550280544 + 2777550280545.

It is an arithmetic number, because the mean of its divisors is an integer number (2777550280545).

Almost surely, 2^{5555100561089} is an apocalyptic number.

It is an amenable number.

5555100561089 is a deficient number, since it is larger than the sum of its proper divisors (1).

5555100561089 is an equidigital number, since it uses as much as digits as its factorization.

5555100561089 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1350000, while the sum is 50.

The spelling of 5555100561089 in words is "five trillion, five hundred fifty-five billion, one hundred million, five hundred sixty-one thousand, eighty-nine".