1196109911 has 2 divisors, whose sum is σ = 1196109912. Its totient is φ = 1196109910.

The previous prime is 1196109857. The next prime is 1196109947. The reversal of 1196109911 is 1199016911.

It is a strong prime.

It is an emirp because it is prime and its reverse (1199016911) is a distict prime. It is also a bemirp because it and its reverse can be mirrored producing other two distinct primes, 1166019611 and 1169106611.

It is a cyclic number.

It is not a de Polignac number, because 1196109911 - 2⁶ = 1196109847 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1196109961) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 598054955 + 598054956.

It is an arithmetic number, because the mean of its divisors is an integer number (598054956).

Almost surely, 2^1196109911 is an apocalyptic number.

1196109911 is a deficient number, since it is larger than the sum of its proper divisors (1).

1196109911 is an equidigital number, since it uses as much as digits as its factorization.

1196109911 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4374, while the sum is 38.

The square root of 1196109911 is about 34584.8219743864. The cubic root of 1196109911 is about 1061.5090382340.

The spelling of 1196109911 in words is "one billion, one hundred ninety-six million, one hundred nine thousand, nine hundred eleven".