11381219 has 2 divisors, whose sum is σ = 11381220. Its totient is φ = 11381218.

The previous prime is 11381213. The next prime is 11381221. The reversal of 11381219 is 91218311.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 11381219 - 2⁴ = 11381203 is a prime.

It is a super-2 number, since 2×11381219² = 259064291851922, which contains 22 as substring.

Together with 11381221, 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 (11381213) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5690609 + 5690610.

It is an arithmetic number, because the mean of its divisors is an integer number (5690610).

Almost surely, 2^11381219 is an apocalyptic number.

11381219 is a deficient number, since it is larger than the sum of its proper divisors (1).

11381219 is an equidigital number, since it uses as much as digits as its factorization.

11381219 is an evil number, because the sum of its binary digits is even.

The product of its digits is 432, while the sum is 26.

The square root of 11381219 is about 3373.6062307270. The cubic root of 11381219 is about 224.9380504346.

The spelling of 11381219 in words is "eleven million, three hundred eighty-one thousand, two hundred nineteen".