64412111 has 2 divisors, whose sum is σ = 64412112. Its totient is φ = 64412110.

The previous prime is 64412087. The next prime is 64412177. The reversal of 64412111 is 11121446.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-64412111 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (64412611) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32206055 + 32206056.

It is an arithmetic number, because the mean of its divisors is an integer number (32206056).

Almost surely, 2^64412111 is an apocalyptic number.

64412111 is a deficient number, since it is larger than the sum of its proper divisors (1).

64412111 is an equidigital number, since it uses as much as digits as its factorization.

64412111 is an evil number, because the sum of its binary digits is even.

The product of its digits is 192, while the sum is 20.

The square root of 64412111 is about 8025.7156067232. The cubic root of 64412111 is about 400.8567283148.

Adding to 64412111 its reverse (11121446), we get a palindrome (75533557).

The spelling of 64412111 in words is "sixty-four million, four hundred twelve thousand, one hundred eleven".