386189881111 has 2 divisors, whose sum is σ = 386189881112. Its totient is φ = 386189881110.

The previous prime is 386189881109. The next prime is 386189881169. The reversal of 386189881111 is 111188981683.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 386189881111 - 2¹ = 386189881109 is a prime.

Together with 386189881109, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (386189881411) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 193094940555 + 193094940556.

It is an arithmetic number, because the mean of its divisors is an integer number (193094940556).

Almost surely, 2^386189881111 is an apocalyptic number.

386189881111 is a deficient number, since it is larger than the sum of its proper divisors (1).

386189881111 is an equidigital number, since it uses as much as digits as its factorization.

386189881111 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 663552, while the sum is 55.

The spelling of 386189881111 in words is "three hundred eighty-six billion, one hundred eighty-nine million, eight hundred eighty-one thousand, one hundred eleven".