11105087 has 8 divisors (see below), whose sum is σ = 12757536. Its totient is φ = 9469152.

The previous prime is 11105077. The next prime is 11105089. The reversal of 11105087 is 78050111.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 11105087 - 2⁴ = 11105071 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11105089) 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, 2648 + ... + 5405.

It is an arithmetic number, because the mean of its divisors is an integer number (1594692).

Almost surely, 2^11105087 is an apocalyptic number.

11105087 is a deficient number, since it is larger than the sum of its proper divisors (1652449).

11105087 is an equidigital number, since it uses as much as digits as its factorization.

11105087 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8257.

The product of its (nonzero) digits is 280, while the sum is 23.

The square root of 11105087 is about 3332.4295941550. The cubic root of 11105087 is about 223.1039820190.

Adding to 11105087 its reverse (78050111), we get a palindrome (89155198).

The spelling of 11105087 in words is "eleven million, one hundred five thousand, eighty-seven".