11800079 has 4 divisors (see below), whose sum is σ = 12022776. Its totient is φ = 11577384.

The previous prime is 11800073. The next prime is 11800093. The reversal of 11800079 is 97000811.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 97000811 = 163 ⋅595097.

It is a cyclic number.

It is not a de Polignac number, because 11800079 - 2¹² = 11795983 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11800073) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 111269 + ... + 111374.

It is an arithmetic number, because the mean of its divisors is an integer number (3005694).

Almost surely, 2^11800079 is an apocalyptic number.

11800079 is a deficient number, since it is larger than the sum of its proper divisors (222697).

11800079 is an equidigital number, since it uses as much as digits as its factorization.

11800079 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 222696.

The product of its (nonzero) digits is 504, while the sum is 26.

The square root of 11800079 is about 3435.1243063389. The cubic root of 11800079 is about 227.6643195584.

The spelling of 11800079 in words is "eleven million, eight hundred thousand, seventy-nine".