6555051109 has 2 divisors, whose sum is σ = 6555051110. Its totient is φ = 6555051108.

The previous prime is 6555051071. The next prime is 6555051157. The reversal of 6555051109 is 9011505556.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 6182676900 + 372374209 = 78630^2 + 19297^2 .

It is a cyclic number.

It is not a de Polignac number, because 6555051109 - 2¹³ = 6555042917 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6555051169) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3277525554 + 3277525555.

It is an arithmetic number, because the mean of its divisors is an integer number (3277525555).

Almost surely, 2^6555051109 is an apocalyptic number.

It is an amenable number.

6555051109 is a deficient number, since it is larger than the sum of its proper divisors (1).

6555051109 is an equidigital number, since it uses as much as digits as its factorization.

6555051109 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 33750, while the sum is 37.

The square root of 6555051109 is about 80963.2701229391. The cubic root of 6555051109 is about 1871.5094629812.

The spelling of 6555051109 in words is "six billion, five hundred fifty-five million, fifty-one thousand, one hundred nine".