11163879 has 8 divisors (see below), whose sum is σ = 16539120. Its totient is φ = 7442568.

The previous prime is 11163877. The next prime is 11163907. The reversal of 11163879 is 97836111.

11163879 is a `hidden beast` number, since 1 + 11 + 638 + 7 + 9 = 666.

It is not a de Polignac number, because 11163879 - 2¹ = 11163877 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11163871) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 206712 + ... + 206765.

It is an arithmetic number, because the mean of its divisors is an integer number (2067390).

Almost surely, 2^11163879 is an apocalyptic number.

11163879 is a deficient number, since it is larger than the sum of its proper divisors (5375241).

11163879 is an equidigital number, since it uses as much as digits as its factorization.

11163879 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 413486 (or 413480 counting only the distinct ones).

The product of its digits is 9072, while the sum is 36.

The square root of 11163879 is about 3341.2391413965. The cubic root of 11163879 is about 223.4970045993.

The spelling of 11163879 in words is "eleven million, one hundred sixty-three thousand, eight hundred seventy-nine".