555061006109 has 2 divisors, whose sum is σ = 555061006110. Its totient is φ = 555061006108.

The previous prime is 555061006067. The next prime is 555061006183. The reversal of 555061006109 is 901600160555.

It is a happy number.

555061006109 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 553838105209 + 1222900900 = 744203^2 + 34970^2 .

It is a cyclic number.

It is not a de Polignac number, because 555061006109 - 2²⁰ = 555059957533 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (555061006309) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 277530503054 + 277530503055.

It is an arithmetic number, because the mean of its divisors is an integer number (277530503055).

Almost surely, 2^555061006109 is an apocalyptic number.

It is an amenable number.

555061006109 is a deficient number, since it is larger than the sum of its proper divisors (1).

555061006109 is an equidigital number, since it uses as much as digits as its factorization.

555061006109 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 40500, while the sum is 38.

The spelling of 555061006109 in words is "five hundred fifty-five billion, sixty-one million, six thousand, one hundred nine".