11231680 has 28 divisors (see below), whose sum is σ = 26746200. Its totient is φ = 4492544.

The previous prime is 11231677. The next prime is 11231699. The reversal of 11231680 is 8613211.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17230 + ... + 17869.

Almost surely, 2^11231680 is an apocalyptic number.

11231680 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11231680 is an abundant number, since it is smaller than the sum of its proper divisors (15514520).

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

11231680 is an equidigital number, since it uses as much as digits as its factorization.

11231680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35116 (or 35106 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 22.

The square root of 11231680 is about 3351.3698691729. The cubic root of 11231680 is about 223.9485426019.

Adding to 11231680 its reverse (8613211), we get a palindrome (19844891).

It can be divided in two parts, 11231 and 680, that added together give a palindrome (11911).

The spelling of 11231680 in words is "eleven million, two hundred thirty-one thousand, six hundred eighty".