11116555 has 8 divisors (see below), whose sum is σ = 14124672. Its totient is φ = 8370048.

The previous prime is 11116549. The next prime is 11116559. The reversal of 11116555 is 55561111.

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 11116555 - 2¹¹ = 11114507 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, 65307 + ... + 65476.

It is an arithmetic number, because the mean of its divisors is an integer number (1765584).

Almost surely, 2^11116555 is an apocalyptic number.

11116555 is a deficient number, since it is larger than the sum of its proper divisors (3008117).

11116555 is a wasteful number, since it uses less digits than its factorization.

11116555 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 130805.

The product of its digits is 750, while the sum is 25.

The square root of 11116555 is about 3334.1498166699. The cubic root of 11116555 is about 223.1807539299.

Adding to 11116555 its reverse (55561111), we get a palindrome (66677666).

The spelling of 11116555 in words is "eleven million, one hundred sixteen thousand, five hundred fifty-five".