42368111 has 2 divisors, whose sum is σ = 42368112. Its totient is φ = 42368110.

The previous prime is 42368087. The next prime is 42368113. The reversal of 42368111 is 11186324.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-42368111 is a prime.

Together with 42368113, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (42368113) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21184055 + 21184056.

It is an arithmetic number, because the mean of its divisors is an integer number (21184056).

Almost surely, 2^42368111 is an apocalyptic number.

42368111 is a deficient number, since it is larger than the sum of its proper divisors (1).

42368111 is an equidigital number, since it uses as much as digits as its factorization.

42368111 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1152, while the sum is 26.

The square root of 42368111 is about 6509.0791207359. The cubic root of 42368111 is about 348.6152386755.

The spelling of 42368111 in words is "forty-two million, three hundred sixty-eight thousand, one hundred eleven".