6111603689 has 2 divisors, whose sum is σ = 6111603690. Its totient is φ = 6111603688.

The previous prime is 6111603679. The next prime is 6111603691. The reversal of 6111603689 is 9863061116.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 4825664089 + 1285939600 = 69467^2 + 35860^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-6111603689 is a prime.

Together with 6111603691, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (6111603679) 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, 3055801844 + 3055801845.

It is an arithmetic number, because the mean of its divisors is an integer number (3055801845).

Almost surely, 2^6111603689 is an apocalyptic number.

It is an amenable number.

6111603689 is a deficient number, since it is larger than the sum of its proper divisors (1).

6111603689 is an equidigital number, since it uses as much as digits as its factorization.

6111603689 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 46656, while the sum is 41.

The square root of 6111603689 is about 78176.7464723366. The cubic root of 6111603689 is about 1828.3179712081.

The spelling of 6111603689 in words is "six billion, one hundred eleven million, six hundred three thousand, six hundred eighty-nine".