11116553 has 8 divisors (see below), whose sum is σ = 12731520. Its totient is φ = 9508320.

The previous prime is 11116549. The next prime is 11116559. The reversal of 11116553 is 35561111.

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 11116553 - 2² = 11116549 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11116559) 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, 2588 + ... + 5378.

It is an arithmetic number, because the mean of its divisors is an integer number (1591440).

Almost surely, 2^11116553 is an apocalyptic number.

It is an amenable number.

11116553 is a deficient number, since it is larger than the sum of its proper divisors (1614967).

11116553 is an equidigital number, since it uses as much as digits as its factorization.

11116553 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3367.

The product of its digits is 450, while the sum is 23.

The square root of 11116553 is about 3334.1495167434. The cubic root of 11116553 is about 223.1807405456.

Adding to 11116553 its reverse (35561111), we get a palindrome (46677664).

The spelling of 11116553 in words is "eleven million, one hundred sixteen thousand, five hundred fifty-three".