1066111219 has 2 divisors, whose sum is σ = 1066111220. Its totient is φ = 1066111218.

The previous prime is 1066111141. The next prime is 1066111283. The reversal of 1066111219 is 9121116601.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1066111219 - 2²⁵ = 1032556787 is a prime.

It is a super-2 number, since 2×1066111219² = 2273186262555331922, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1066111619) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 533055609 + 533055610.

It is an arithmetic number, because the mean of its divisors is an integer number (533055610).

Almost surely, 2^1066111219 is an apocalyptic number.

1066111219 is a deficient number, since it is larger than the sum of its proper divisors (1).

1066111219 is an equidigital number, since it uses as much as digits as its factorization.

1066111219 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 648, while the sum is 28.

The square root of 1066111219 is about 32651.3586087930. The cubic root of 1066111219 is about 1021.5685270706.

The spelling of 1066111219 in words is "one billion, sixty-six million, one hundred eleven thousand, two hundred nineteen".