11199623219 has 2 divisors, whose sum is σ = 11199623220. Its totient is φ = 11199623218.

The previous prime is 11199623189. The next prime is 11199623221. The reversal of 11199623219 is 91232699111.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 11199623219 - 2¹⁶ = 11199557683 is a prime.

It is a super-2 number, since 2×11199623219² (a number of 21 digits) contains 22 as substring.

Together with 11199623221, it forms a pair of twin primes.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 11199623219.

It is not a weakly prime, because it can be changed into another prime (11199623299) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5599811609 + 5599811610.

It is an arithmetic number, because the mean of its divisors is an integer number (5599811610).

Almost surely, 2^11199623219 is an apocalyptic number.

11199623219 is a deficient number, since it is larger than the sum of its proper divisors (1).

11199623219 is an equidigital number, since it uses as much as digits as its factorization.

11199623219 is an evil number, because the sum of its binary digits is even.

The product of its digits is 52488, while the sum is 44.

The spelling of 11199623219 in words is "eleven billion, one hundred ninety-nine million, six hundred twenty-three thousand, two hundred nineteen".