11919107 has 2 divisors, whose sum is σ = 11919108. Its totient is φ = 11919106.

The previous prime is 11919079. The next prime is 11919109. The reversal of 11919107 is 70191911.

It is a strong prime.

It is an emirp because it is prime and its reverse (70191911) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 11919107 - 2⁶ = 11919043 is a prime.

It is a super-2 number, since 2×11919107² = 284130223354898, which contains 22 as substring.

Together with 11919109, 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 11919107.

It is not a weakly prime, because it can be changed into another prime (11919109) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5959553 + 5959554.

It is an arithmetic number, because the mean of its divisors is an integer number (5959554).

Almost surely, 2^11919107 is an apocalyptic number.

11919107 is a deficient number, since it is larger than the sum of its proper divisors (1).

11919107 is an equidigital number, since it uses as much as digits as its factorization.

11919107 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 567, while the sum is 29.

The square root of 11919107 is about 3452.4059726515. The cubic root of 11919107 is about 228.4272472588.

The spelling of 11919107 in words is "eleven million, nine hundred nineteen thousand, one hundred seven".