11543216 has 10 divisors (see below), whose sum is σ = 22365012. Its totient is φ = 5771600.

The previous prime is 11543167. The next prime is 11543227. The reversal of 11543216 is 61234511.

It is a junction number, because it is equal to n+sod(n) for n = 11543191 and 11543200.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 360710 + ... + 360741.

Almost surely, 2^11543216 is an apocalyptic number.

11543216 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

11543216 is a deficient number, since it is larger than the sum of its proper divisors (10821796).

11543216 is an equidigital number, since it uses as much as digits as its factorization.

11543216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 721459 (or 721453 counting only the distinct ones).

The product of its digits is 720, while the sum is 23.

The square root of 11543216 is about 3397.5308681453. The cubic root of 11543216 is about 226.0002610486. Note that the first 3 decimals are identical.

Adding to 11543216 its reverse (61234511), we get a palindrome (72777727).

The spelling of 11543216 in words is "eleven million, five hundred forty-three thousand, two hundred sixteen".