141111209 has 2 divisors, whose sum is σ = 141111210. Its totient is φ = 141111208.

The previous prime is 141111199. The next prime is 141111211. The reversal of 141111209 is 902111141.

141111209 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 131790400 + 9320809 = 11480^2 + 3053^2 .

It is a cyclic number.

It is not a de Polignac number, because 141111209 - 2⁴ = 141111193 is a prime.

Together with 141111211, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (141111259) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 70555604 + 70555605.

It is an arithmetic number, because the mean of its divisors is an integer number (70555605).

Almost surely, 2^141111209 is an apocalyptic number.

It is an amenable number.

141111209 is a deficient number, since it is larger than the sum of its proper divisors (1).

141111209 is an equidigital number, since it uses as much as digits as its factorization.

141111209 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 72, while the sum is 20.

The square root of 141111209 is about 11879.0239077123. The cubic root of 141111209 is about 520.6195881344.

The spelling of 141111209 in words is "one hundred forty-one million, one hundred eleven thousand, two hundred nine".