11372543 has 16 divisors (see below), whose sum is σ = 14300160. Its totient is φ = 8803296.

The previous prime is 11372531. The next prime is 11372551. The reversal of 11372543 is 34527311.

11372543 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 11372543 - 2⁴ = 11372527 is a prime.

It is a nialpdrome in base 15.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11372593) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2948 + ... + 5606.

It is an arithmetic number, because the mean of its divisors is an integer number (893760).

Almost surely, 2^11372543 is an apocalyptic number.

11372543 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

11372543 is a deficient number, since it is larger than the sum of its proper divisors (2927617).

11372543 is a wasteful number, since it uses less digits than its factorization.

11372543 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2726.

The product of its digits is 2520, while the sum is 26.

The square root of 11372543 is about 3372.3201212222. The cubic root of 11372543 is about 224.8808785086.

Adding to 11372543 its reverse (34527311), we get a palindrome (45899854).

The spelling of 11372543 in words is "eleven million, three hundred seventy-two thousand, five hundred forty-three".