11250005 has 16 divisors (see below), whose sum is σ = 15395184. Its totient is φ = 7818240.

The previous prime is 11249981. The next prime is 11250007. The reversal of 11250005 is 50005211.

11250005 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 8 ways, for example, as 54289 + 11195716 = 233^2 + 3346^2 .

It is not a de Polignac number, because 11250005 - 2¹⁰ = 11248981 is a prime.

It is a super-2 number, since 2×11250005² = 253125225000050, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11250007) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3986 + ... + 6195.

It is an arithmetic number, because the mean of its divisors is an integer number (962199).

Almost surely, 2^11250005 is an apocalyptic number.

It is an amenable number.

11250005 is a deficient number, since it is larger than the sum of its proper divisors (4145179).

11250005 is a wasteful number, since it uses less digits than its factorization.

11250005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10216.

The product of its (nonzero) digits is 50, while the sum is 14.

The square root of 11250005 is about 3354.1027116056. The cubic root of 11250005 is about 224.0702705234.

Adding to 11250005 its reverse (50005211), we get a palindrome (61255216).

The spelling of 11250005 in words is "eleven million, two hundred fifty thousand, five".