11116887 has 4 divisors (see below), whose sum is σ = 14822520. Its totient is φ = 7411256.

The previous prime is 11116883. The next prime is 11116913. The reversal of 11116887 is 78861111.

11116887 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 11116887 - 2² = 11116883 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11116883) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1852812 + ... + 1852817.

It is an arithmetic number, because the mean of its divisors is an integer number (3705630).

Almost surely, 2^11116887 is an apocalyptic number.

11116887 is a deficient number, since it is larger than the sum of its proper divisors (3705633).

11116887 is an equidigital number, since it uses as much as digits as its factorization.

11116887 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3705632.

The product of its digits is 2688, while the sum is 33.

The square root of 11116887 is about 3334.1996041029. The cubic root of 11116887 is about 223.1829756995.

Adding to 11116887 its reverse (78861111), we get a palindrome (89977998).

The spelling of 11116887 in words is "eleven million, one hundred sixteen thousand, eight hundred eighty-seven".