11045813 has 2 divisors, whose sum is σ = 11045814. Its totient is φ = 11045812.

The previous prime is 11045761. The next prime is 11045843. The reversal of 11045813 is 31854011.

11045813 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 5769604 + 5276209 = 2402^2 + 2297^2 .

It is a cyclic number.

It is not a de Polignac number, because 11045813 - 2²⁰ = 9997237 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11045843) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5522906 + 5522907.

It is an arithmetic number, because the mean of its divisors is an integer number (5522907).

Almost surely, 2^11045813 is an apocalyptic number.

It is an amenable number.

11045813 is a deficient number, since it is larger than the sum of its proper divisors (1).

11045813 is an equidigital number, since it uses as much as digits as its factorization.

11045813 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 480, while the sum is 23.

The square root of 11045813 is about 3323.5241837543. The cubic root of 11045813 is about 222.7063305086.

Adding to 11045813 its reverse (31854011), we get a palindrome (42899824).

The spelling of 11045813 in words is "eleven million, forty-five thousand, eight hundred thirteen".