11900717219 has 2 divisors, whose sum is σ = 11900717220. Its totient is φ = 11900717218.

The previous prime is 11900717197. The next prime is 11900717221. The reversal of 11900717219 is 91271700911.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 11900717219 - 2³² = 7605749923 is a prime.

It is a super-2 number, since 2×11900717219² (a number of 21 digits) contains 22 as substring.

Together with 11900717221, 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 (11900717249) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5950358609 + 5950358610.

It is an arithmetic number, because the mean of its divisors is an integer number (5950358610).

Almost surely, 2^11900717219 is an apocalyptic number.

11900717219 is a deficient number, since it is larger than the sum of its proper divisors (1).

11900717219 is an equidigital number, since it uses as much as digits as its factorization.

11900717219 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 7938, while the sum is 38.

The spelling of 11900717219 in words is "eleven billion, nine hundred million, seven hundred seventeen thousand, two hundred nineteen".