11137808 has 40 divisors (see below), whose sum is σ = 23781216. Its totient is φ = 5052960.

The previous prime is 11137799. The next prime is 11137811. The reversal of 11137808 is 80873111.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 21035 + ... + 21557.

Almost surely, 2^11137808 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 11137808, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11890608).

11137808 is an abundant number, since it is smaller than the sum of its proper divisors (12643408).

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

11137808 is an equidigital number, since it uses as much as digits as its factorization.

11137808 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 564 (or 536 counting only the distinct ones).

The product of its (nonzero) digits is 1344, while the sum is 29.

The square root of 11137808 is about 3337.3354641091. The cubic root of 11137808 is about 223.3228915194.

The spelling of 11137808 in words is "eleven million, one hundred thirty-seven thousand, eight hundred eight".