11163798 has 32 divisors (see below), whose sum is σ = 26269920. Its totient is φ = 3502080.

The previous prime is 11163791. The next prime is 11163821. The reversal of 11163798 is 89736111.

11163798 is a `hidden beast` number, since 1 + 11 + 637 + 9 + 8 = 666.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11163791) 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 15 ways as a sum of consecutive naturals, for example, 5163 + ... + 6998.

It is an arithmetic number, because the mean of its divisors is an integer number (820935).

Almost surely, 2^11163798 is an apocalyptic number.

11163798 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

11163798 is an abundant number, since it is smaller than the sum of its proper divisors (15106122).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11163798 is a wasteful number, since it uses less digits than its factorization.

11163798 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12189 (or 12183 counting only the distinct ones).

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

The square root of 11163798 is about 3341.2270201230. The cubic root of 11163798 is about 223.4964640673.

The spelling of 11163798 in words is "eleven million, one hundred sixty-three thousand, seven hundred ninety-eight".