14111861 has 2 divisors, whose sum is σ = 14111862. Its totient is φ = 14111860.

The previous prime is 14111827. The next prime is 14111863. The reversal of 14111861 is 16811141.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 13830961 + 280900 = 3719^2 + 530^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-14111861 is a prime.

Together with 14111863, 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 (14111863) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7055930 + 7055931.

It is an arithmetic number, because the mean of its divisors is an integer number (7055931).

Almost surely, 2^14111861 is an apocalyptic number.

It is an amenable number.

14111861 is a deficient number, since it is larger than the sum of its proper divisors (1).

14111861 is an equidigital number, since it uses as much as digits as its factorization.

14111861 is an evil number, because the sum of its binary digits is even.

The product of its digits is 192, while the sum is 23.

The square root of 14111861 is about 3756.5757013536. The cubic root of 14111861 is about 241.6544313002.

The spelling of 14111861 in words is "fourteen million, one hundred eleven thousand, eight hundred sixty-one".