11252005 has 4 divisors (see below), whose sum is σ = 13502412. Its totient is φ = 9001600.

The previous prime is 11251979. The next prime is 11252023. The reversal of 11252005 is 50025211.

11252005 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 8213956 + 3038049 = 2866^2 + 1743^2 .

It is not a de Polignac number, because 11252005 - 2⁵ = 11251973 is a prime.

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 11252005.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1125196 + ... + 1125205.

It is an arithmetic number, because the mean of its divisors is an integer number (3375603).

Almost surely, 2^11252005 is an apocalyptic number.

It is an amenable number.

11252005 is a deficient number, since it is larger than the sum of its proper divisors (2250407).

11252005 is an equidigital number, since it uses as much as digits as its factorization.

11252005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2250406.

The product of its (nonzero) digits is 100, while the sum is 16.

The square root of 11252005 is about 3354.4008406868. The cubic root of 11252005 is about 224.0835479690.

Adding to 11252005 its reverse (50025211), we get a palindrome (61277216).

The spelling of 11252005 in words is "eleven million, two hundred fifty-two thousand, five".