11195839 has 2 divisors, whose sum is σ = 11195840. Its totient is φ = 11195838.

The previous prime is 11195831. The next prime is 11195857. The reversal of 11195839 is 93859111.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 11195839 - 2³ = 11195831 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 11195798 and 11195807.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11195831) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5597919 + 5597920.

It is an arithmetic number, because the mean of its divisors is an integer number (5597920).

Almost surely, 2^11195839 is an apocalyptic number.

11195839 is a deficient number, since it is larger than the sum of its proper divisors (1).

11195839 is an equidigital number, since it uses as much as digits as its factorization.

11195839 is an evil number, because the sum of its binary digits is even.

The product of its digits is 9720, while the sum is 37.

The square root of 11195839 is about 3346.0183801049. The cubic root of 11195839 is about 223.7100774564.

The spelling of 11195839 in words is "eleven million, one hundred ninety-five thousand, eight hundred thirty-nine".