11168999 has 2 divisors, whose sum is σ = 11169000. Its totient is φ = 11168998.

The previous prime is 11168953. The next prime is 11169001. The reversal of 11168999 is 99986111.

It is a strong prime.

It is an emirp because it is prime and its reverse (99986111) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11168999 is a prime.

Together with 11169001, it forms a pair of twin primes.

It is a Chen prime.

It is a plaindrome in base 10.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11168909) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5584499 + 5584500.

It is an arithmetic number, because the mean of its divisors is an integer number (5584500).

Almost surely, 2^11168999 is an apocalyptic number.

11168999 is a deficient number, since it is larger than the sum of its proper divisors (1).

11168999 is an equidigital number, since it uses as much as digits as its factorization.

11168999 is an evil number, because the sum of its binary digits is even.

The product of its digits is 34992, while the sum is 44.

The square root of 11168999 is about 3342.0052363813. The cubic root of 11168999 is about 223.5311662550.

It can be divided in two parts, 11168 and 999, that added together give a cube (12167 = 23³).

The spelling of 11168999 in words is "eleven million, one hundred sixty-eight thousand, nine hundred ninety-nine".