5771551109 has 2 divisors, whose sum is σ = 5771551110. Its totient is φ = 5771551108.

The previous prime is 5771551067. The next prime is 5771551133. The reversal of 5771551109 is 9011551775.

5771551109 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 5048102500 + 723448609 = 71050^2 + 26897^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-5771551109 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5771551309) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2885775554 + 2885775555.

It is an arithmetic number, because the mean of its divisors is an integer number (2885775555).

Almost surely, 2^5771551109 is an apocalyptic number.

It is an amenable number.

5771551109 is a deficient number, since it is larger than the sum of its proper divisors (1).

5771551109 is an equidigital number, since it uses as much as digits as its factorization.

5771551109 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 55125, while the sum is 41.

The square root of 5771551109 is about 75970.7253420684. The cubic root of 5771551109 is about 1793.7593669071.

The spelling of 5771551109 in words is "five billion, seven hundred seventy-one million, five hundred fifty-one thousand, one hundred nine".