11154443 has 2 divisors, whose sum is σ = 11154444. Its totient is φ = 11154442.

The previous prime is 11154421. The next prime is 11154449. The reversal of 11154443 is 34445111.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 11154443 - 2¹⁶ = 11088907 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (11154449) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5577221 + 5577222.

It is an arithmetic number, because the mean of its divisors is an integer number (5577222).

Almost surely, 2^11154443 is an apocalyptic number.

11154443 is a deficient number, since it is larger than the sum of its proper divisors (1).

11154443 is an equidigital number, since it uses as much as digits as its factorization.

11154443 is an evil number, because the sum of its binary digits is even.

The product of its digits is 960, while the sum is 23.

The square root of 11154443 is about 3339.8267919160. The cubic root of 11154443 is about 223.4340183623.

Adding to 11154443 its reverse (34445111), we get a palindrome (45599554).

The spelling of 11154443 in words is "eleven million, one hundred fifty-four thousand, four hundred forty-three".