11153808 has 40 divisors (see below), whose sum is σ = 32016800. Its totient is φ = 3717792.

The previous prime is 11153803. The next prime is 11153809. The reversal of 11153808 is 80835111.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (11153803) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12478 + ... + 13341.

It is an arithmetic number, because the mean of its divisors is an integer number (800420).

Almost surely, 2^11153808 is an apocalyptic number.

11153808 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

11153808 is an abundant number, since it is smaller than the sum of its proper divisors (20862992).

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

11153808 is a wasteful number, since it uses less digits than its factorization.

11153808 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25836 (or 25824 counting only the distinct ones).

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

The square root of 11153808 is about 3339.7317257528. The cubic root of 11153808 is about 223.4297783988.

Adding to 11153808 its reverse (80835111), we get a palindrome (91988919).

The spelling of 11153808 in words is "eleven million, one hundred fifty-three thousand, eight hundred eight".