3861823765211 has 2 divisors, whose sum is σ = 3861823765212. Its totient is φ = 3861823765210.

The previous prime is 3861823765159. The next prime is 3861823765223. The reversal of 3861823765211 is 1125673281683.

3861823765211 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 3861823765211 - 2¹⁰ = 3861823764187 is a prime.

It is not a weakly prime, because it can be changed into another prime (3861823765411) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1930911882605 + 1930911882606.

It is an arithmetic number, because the mean of its divisors is an integer number (1930911882606).

Almost surely, 2^{3861823765211} is an apocalyptic number.

3861823765211 is a deficient number, since it is larger than the sum of its proper divisors (1).

3861823765211 is an equidigital number, since it uses as much as digits as its factorization.

3861823765211 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2903040, while the sum is 53.

The spelling of 3861823765211 in words is "three trillion, eight hundred sixty-one billion, eight hundred twenty-three million, seven hundred sixty-five thousand, two hundred eleven".