1199016911 has 2 divisors, whose sum is σ = 1199016912. Its totient is φ = 1199016910.

The previous prime is 1199016901. The next prime is 1199016913. The reversal of 1199016911 is 1196109911.

It is a strong prime.

It is an emirp because it is prime and its reverse (1196109911) is a distict prime. It is also a bemirp because it and its reverse can be mirrored producing other two distinct primes, 1169106611 and 1166019611.

It is a cyclic number.

It is not a de Polignac number, because 1199016911 - 2¹⁰ = 1199015887 is a prime.

Together with 1199016913, it forms a pair of twin primes.

It is a Chen prime.

It is a plaindrome in base 16.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1199016913) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 599508455 + 599508456.

It is an arithmetic number, because the mean of its divisors is an integer number (599508456).

Almost surely, 2^1199016911 is an apocalyptic number.

1199016911 is a deficient number, since it is larger than the sum of its proper divisors (1).

1199016911 is an equidigital number, since it uses as much as digits as its factorization.

1199016911 is an evil number, because the sum of its binary digits is even.

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

The square root of 1199016911 is about 34626.8235765281. The cubic root of 1199016911 is about 1062.3682988038.

The spelling of 1199016911 in words is "one billion, one hundred ninety-nine million, sixteen thousand, nine hundred eleven".