6018118109 has 2 divisors, whose sum is σ = 6018118110. Its totient is φ = 6018118108.

The previous prime is 6018118091. The next prime is 6018118151. The reversal of 6018118109 is 9018118106.

Together with previous prime (6018118091) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 4144526884 + 1873591225 = 64378^2 + 43285^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-6018118109 is a prime.

6018118109 is a strobogrammatic number because it is the same when read upside-down.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6018112109) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3009059054 + 3009059055.

It is an arithmetic number, because the mean of its divisors is an integer number (3009059055).

Almost surely, 2^6018118109 is an apocalyptic number.

It is an amenable number.

6018118109 is a deficient number, since it is larger than the sum of its proper divisors (1).

6018118109 is an equidigital number, since it uses as much as digits as its factorization.

6018118109 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3456, while the sum is 35.

The square root of 6018118109 is about 77576.5306584408. The cubic root of 6018118109 is about 1818.9477987007.

The spelling of 6018118109 in words is "six billion, eighteen million, one hundred eighteen thousand, one hundred nine".