11216651 has 8 divisors (see below), whose sum is σ = 12045024. Its totient is φ = 10407040.

The previous prime is 11216641. The next prime is 11216659. The reversal of 11216651 is 15661211.

11216651 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 11216651 - 2¹⁰ = 11215627 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11216659) 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, 3440 + ... + 5853.

It is an arithmetic number, because the mean of its divisors is an integer number (1505628).

Almost surely, 2^11216651 is an apocalyptic number.

11216651 is a deficient number, since it is larger than the sum of its proper divisors (828373).

11216651 is an equidigital number, since it uses as much as digits as its factorization.

11216651 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9381.

The product of its digits is 360, while the sum is 23.

The square root of 11216651 is about 3349.1269011490. The cubic root of 11216651 is about 223.8486102386.

Adding to 11216651 its reverse (15661211), we get a palindrome (26877862).

The spelling of 11216651 in words is "eleven million, two hundred sixteen thousand, six hundred fifty-one".