11130445 has 4 divisors (see below), whose sum is σ = 13356540. Its totient is φ = 8904352.

The previous prime is 11130439. The next prime is 11130463. The reversal of 11130445 is 54403111.

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 8874441 + 2256004 = 2979^2 + 1502^2 .

It is a cyclic number.

It is not a de Polignac number, because 11130445 - 2³ = 11130437 is a prime.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 1113040 + ... + 1113049.

It is an arithmetic number, because the mean of its divisors is an integer number (3339135).

Almost surely, 2^11130445 is an apocalyptic number.

It is an amenable number.

11130445 is a deficient number, since it is larger than the sum of its proper divisors (2226095).

11130445 is an equidigital number, since it uses as much as digits as its factorization.

11130445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2226094.

The product of its (nonzero) digits is 240, while the sum is 19.

The square root of 11130445 is about 3336.2321561906. The cubic root of 11130445 is about 223.2736691192.

Adding to 11130445 its reverse (54403111), we get a palindrome (65533556).

The spelling of 11130445 in words is "eleven million, one hundred thirty thousand, four hundred forty-five".