11005045 has 8 divisors (see below), whose sum is σ = 13224024. Its totient is φ = 8792064.

The previous prime is 11005037. The next prime is 11005051. The reversal of 11005045 is 54050011.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 7612081 + 3392964 = 2759^2 + 1842^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 11005045 - 2³ = 11005037 is a prime.

It is a super-2 number, since 2×11005045² = 242222030904050, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5637 + ... + 7333.

It is an arithmetic number, because the mean of its divisors is an integer number (1653003).

Almost surely, 2^11005045 is an apocalyptic number.

It is an amenable number.

11005045 is a deficient number, since it is larger than the sum of its proper divisors (2218979).

11005045 is a wasteful number, since it uses less digits than its factorization.

11005045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2999.

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

The square root of 11005045 is about 3317.3852655367. The cubic root of 11005045 is about 222.4320037984.

Adding to 11005045 its reverse (54050011), we get a palindrome (65055056).

The spelling of 11005045 in words is "eleven million, five thousand, forty-five".