11152543 has 2 divisors, whose sum is σ = 11152544. Its totient is φ = 11152542.

The previous prime is 11152541. The next prime is 11152567. The reversal of 11152543 is 34525111.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 11152543 - 2¹ = 11152541 is a prime.

Together with 11152541, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11152541) by changing a digit.

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 as a sum of consecutive naturals, namely, 5576271 + 5576272.

It is an arithmetic number, because the mean of its divisors is an integer number (5576272).

Almost surely, 2^11152543 is an apocalyptic number.

11152543 is a deficient number, since it is larger than the sum of its proper divisors (1).

11152543 is an equidigital number, since it uses as much as digits as its factorization.

11152543 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 600, while the sum is 22.

The square root of 11152543 is about 3339.5423339134. The cubic root of 11152543 is about 223.4213313777.

Adding to 11152543 its reverse (34525111), we get a palindrome (45677654).

The spelling of 11152543 in words is "eleven million, one hundred fifty-two thousand, five hundred forty-three".