11240105 has 4 divisors (see below), whose sum is σ = 13488132. Its totient is φ = 8992080.

The previous prime is 11240087. The next prime is 11240129. The reversal of 11240105 is 50104211.

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

It can be written as a sum of positive squares in 2 ways, for example, as 8271376 + 2968729 = 2876^2 + 1723^2 .

It is not a de Polignac number, because 11240105 - 2¹⁸ = 10977961 is a prime.

It is a super-2 number, since 2×11240105² = 252679920822050, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 11240105.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1124006 + ... + 1124015.

It is an arithmetic number, because the mean of its divisors is an integer number (3372033).

Almost surely, 2^11240105 is an apocalyptic number.

It is an amenable number.

11240105 is a deficient number, since it is larger than the sum of its proper divisors (2248027).

11240105 is an equidigital number, since it uses as much as digits as its factorization.

11240105 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2248026.

The product of its (nonzero) digits is 40, while the sum is 14.

The square root of 11240105 is about 3352.6265822486. The cubic root of 11240105 is about 224.0045239839.

Adding to 11240105 its reverse (50104211), we get a palindrome (61344316).

The spelling of 11240105 in words is "eleven million, two hundred forty thousand, one hundred five".