11541243 has 16 divisors (see below), whose sum is σ = 17997056. Its totient is φ = 6441120.

The previous prime is 11541223. The next prime is 11541251. The reversal of 11541243 is 34214511.

It is not a de Polignac number, because 11541243 - 2⁹ = 11540731 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is not an unprimeable number, because it can be changed into a prime (11541223) 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 in 15 ways as a sum of consecutive naturals, for example, 5488 + ... + 7293.

It is an arithmetic number, because the mean of its divisors is an integer number (1124816).

Almost surely, 2^11541243 is an apocalyptic number.

11541243 is a deficient number, since it is larger than the sum of its proper divisors (6455813).

11541243 is a wasteful number, since it uses less digits than its factorization.

11541243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12834.

The product of its digits is 480, while the sum is 21.

The square root of 11541243 is about 3397.2404978158. The cubic root of 11541243 is about 225.9873841079.

Adding to 11541243 its reverse (34214511), we get a palindrome (45755754).

The spelling of 11541243 in words is "eleven million, five hundred forty-one thousand, two hundred forty-three".