11161879 has 2 divisors, whose sum is σ = 11161880. Its totient is φ = 11161878.

The previous prime is 11161867. The next prime is 11161907. The reversal of 11161879 is 97816111.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 11161879 - 2⁵ = 11161847 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11161859) 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 as a sum of consecutive naturals, namely, 5580939 + 5580940.

It is an arithmetic number, because the mean of its divisors is an integer number (5580940).

Almost surely, 2^11161879 is an apocalyptic number.

11161879 is a deficient number, since it is larger than the sum of its proper divisors (1).

11161879 is an equidigital number, since it uses as much as digits as its factorization.

11161879 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3024, while the sum is 34.

The square root of 11161879 is about 3340.9398378301. The cubic root of 11161879 is about 223.4836573656.

The spelling of 11161879 in words is "eleven million, one hundred sixty-one thousand, eight hundred seventy-nine".