3805982111 has 2 divisors, whose sum is σ = 3805982112. Its totient is φ = 3805982110.

The previous prime is 3805982021. The next prime is 3805982123. The reversal of 3805982111 is 1112895083.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3805982111 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3805982161) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1902991055 + 1902991056.

It is an arithmetic number, because the mean of its divisors is an integer number (1902991056).

Almost surely, 2^3805982111 is an apocalyptic number.

3805982111 is a deficient number, since it is larger than the sum of its proper divisors (1).

3805982111 is an equidigital number, since it uses as much as digits as its factorization.

3805982111 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 17280, while the sum is 38.

The square root of 3805982111 is about 61692.6422760446. The cubic root of 3805982111 is about 1561.3091835711.

The spelling of 3805982111 in words is "three billion, eight hundred five million, nine hundred eighty-two thousand, one hundred eleven".