11150005 has 4 divisors (see below), whose sum is σ = 13380012. Its totient is φ = 8920000.

The previous prime is 11149973. The next prime is 11150021. The reversal of 11150005 is 50005111.

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 7623121 + 3526884 = 2761^2 + 1878^2 .

It is not a de Polignac number, because 11150005 - 2⁵ = 11149973 is a prime.

It is a super-2 number, since 2×11150005² = 248645223000050, which contains 22 as substring.

It is a Smith number, since the sum of its digits (13) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

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, 1114996 + ... + 1115005.

It is an arithmetic number, because the mean of its divisors is an integer number (3345003).

Almost surely, 2^11150005 is an apocalyptic number.

It is an amenable number.

11150005 is a deficient number, since it is larger than the sum of its proper divisors (2230007).

11150005 is an equidigital number, since it uses as much as digits as its factorization.

11150005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2230006.

The product of its (nonzero) digits is 25, while the sum is 13.

The square root of 11150005 is about 3339.1623201037. The cubic root of 11150005 is about 223.4043819890.

Adding to 11150005 its reverse (50005111), we get a palindrome (61155116).

It can be divided in two parts, 111 and 50005, that multiplied together give a palindrome (5550555).

The spelling of 11150005 in words is "eleven million, one hundred fifty thousand, five".