11216553 has 8 divisors (see below), whose sum is σ = 14985216. Its totient is φ = 7462800.

The previous prime is 11216521. The next prime is 11216563. The reversal of 11216553 is 35561211.

11216553 is digitally balanced in base 2, because in such base 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 not a de Polignac number, because 11216553 - 2⁵ = 11216521 is a prime.

It is a super-2 number, since 2×11216553² = 251622122403618, which contains 22 as substring.

It is a nialpdrome in base 15.

It is not an unprimeable number, because it can be changed into a prime (11216563) 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, 1833 + ... + 5078.

It is an arithmetic number, because the mean of its divisors is an integer number (1873152).

Almost surely, 2^11216553 is an apocalyptic number.

It is an amenable number.

11216553 is a deficient number, since it is larger than the sum of its proper divisors (3768663).

11216553 is an equidigital number, since it uses as much as digits as its factorization.

11216553 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7455.

The product of its digits is 900, while the sum is 24.

The square root of 11216553 is about 3349.1122704382. The cubic root of 11216553 is about 223.8479583141.

Adding to 11216553 its reverse (35561211), we get a palindrome (46777764).

The spelling of 11216553 in words is "eleven million, two hundred sixteen thousand, five hundred fifty-three".