11135808 has 42 divisors (see below), whose sum is σ = 31920434. Its totient is φ = 3711744.

The previous prime is 11135807. The next prime is 11135809. The reversal of 11135808 is 80853111.

It is an interprime number because it is at equal distance from previous prime (11135807) and next prime (11135809).

It can be written as a sum of positive squares in only one way, i.e., 10969344 + 166464 = 3312^2 + 408^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11135801) 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 5 ways as a sum of consecutive naturals, for example, 9091 + ... + 10242.

Almost surely, 2^11135808 is an apocalyptic number.

11135808 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

11135808 is an abundant number, since it is smaller than the sum of its proper divisors (20784626).

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

11135808 is a wasteful number, since it uses less digits than its factorization.

11135808 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19351 (or 19338 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 27.

The square root of 11135808 is about 3337.0358104162. The cubic root of 11135808 is about 223.3095234635.

Adding to 11135808 its reverse (80853111), we get a palindrome (91988919).

The spelling of 11135808 in words is "eleven million, one hundred thirty-five thousand, eight hundred eight".