6111722783909 has 2 divisors, whose sum is σ = 6111722783910. Its totient is φ = 6111722783908.

The previous prime is 6111722783893. The next prime is 6111722783983. The reversal of 6111722783909 is 9093872271116.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 6089790062500 + 21932721409 = 2467750^2 + 148097^2 .

It is a cyclic number.

It is not a de Polignac number, because 6111722783909 - 2⁴ = 6111722783893 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6111722713909) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3055861391954 + 3055861391955.

It is an arithmetic number, because the mean of its divisors is an integer number (3055861391955).

Almost surely, 2^{6111722783909} is an apocalyptic number.

It is an amenable number.

6111722783909 is a deficient number, since it is larger than the sum of its proper divisors (1).

6111722783909 is an equidigital number, since it uses as much as digits as its factorization.

6111722783909 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2286144, while the sum is 56.

The spelling of 6111722783909 in words is "six trillion, one hundred eleven billion, seven hundred twenty-two million, seven hundred eighty-three thousand, nine hundred nine".