11116005 has 16 divisors (see below), whose sum is σ = 17924544. Its totient is φ = 5882240.

The previous prime is 11116003. The next prime is 11116031. The reversal of 11116005 is 50061111.

It is not a de Polignac number, because 11116005 - 2¹ = 11116003 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11116003) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 864 + ... + 4793.

It is an arithmetic number, because the mean of its divisors is an integer number (1120284).

Almost surely, 2^11116005 is an apocalyptic number.

11116005 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

11116005 is a deficient number, since it is larger than the sum of its proper divisors (6808539).

11116005 is a wasteful number, since it uses less digits than its factorization.

11116005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5796.

The product of its (nonzero) digits is 30, while the sum is 15.

The square root of 11116005 is about 3334.0673358527. The cubic root of 11116005 is about 223.1770731901.

Adding to 11116005 its reverse (50061111), we get a palindrome (61177116).

The spelling of 11116005 in words is "eleven million, one hundred sixteen thousand, five".