11661119 has 2 divisors, whose sum is σ = 11661120. Its totient is φ = 11661118.

The previous prime is 11661101. The next prime is 11661121. The reversal of 11661119 is 91116611.

11661119 is nontrivially palindromic in base 14.

11661119 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 11661119 - 2²⁰ = 10612543 is a prime.

It is a super-2 number, since 2×11661119² = 271963392664322, which contains 22 as substring.

Together with 11661121, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11661019) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5830559 + 5830560.

It is an arithmetic number, because the mean of its divisors is an integer number (5830560).

Almost surely, 2^11661119 is an apocalyptic number.

11661119 is a deficient number, since it is larger than the sum of its proper divisors (1).

11661119 is an equidigital number, since it uses as much as digits as its factorization.

11661119 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 324, while the sum is 26.

The square root of 11661119 is about 3414.8380635105. The cubic root of 11661119 is about 226.7671154654.

The spelling of 11661119 in words is "eleven million, six hundred sixty-one thousand, one hundred nineteen".