11130005 has 4 divisors (see below), whose sum is σ = 13356012. Its totient is φ = 8904000.

The previous prime is 11130001. The next prime is 11130043. The reversal of 11130005 is 50003111.

11130005 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 can be written as a sum of positive squares in 2 ways, for example, as 2961841 + 8168164 = 1721^2 + 2858^2 .

It is not a de Polignac number, because 11130005 - 2² = 11130001 is a prime.

It is a super-2 number, since 2×11130005² = 247754022600050, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11130001) 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, 1112996 + ... + 1113005.

It is an arithmetic number, because the mean of its divisors is an integer number (3339003).

Almost surely, 2^11130005 is an apocalyptic number.

It is an amenable number.

11130005 is a deficient number, since it is larger than the sum of its proper divisors (2226007).

11130005 is an equidigital number, since it uses as much as digits as its factorization.

11130005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2226006.

The product of its (nonzero) digits is 15, while the sum is 11.

The square root of 11130005 is about 3336.1662128857. The cubic root of 11130005 is about 223.2707269874.

Adding to 11130005 its reverse (50003111), we get a palindrome (61133116).

The spelling of 11130005 in words is "eleven million, one hundred thirty thousand, five".