11131888 has 10 divisors (see below), whose sum is σ = 21568064. Its totient is φ = 5565936.

The previous prime is 11131873. The next prime is 11131907. The reversal of 11131888 is 88813111.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 347856 + ... + 347887.

Almost surely, 2^11131888 is an apocalyptic number.

It is an amenable number.

11131888 is a deficient number, since it is larger than the sum of its proper divisors (10436176).

11131888 is an equidigital number, since it uses as much as digits as its factorization.

11131888 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 695751 (or 695745 counting only the distinct ones).

The product of its digits is 1536, while the sum is 31.

The square root of 11131888 is about 3336.4484111102. The cubic root of 11131888 is about 223.2833174302.

Adding to 11131888 its reverse (88813111), we get a palindrome (99944999).

The spelling of 11131888 in words is "eleven million, one hundred thirty-one thousand, eight hundred eighty-eight".