11415243 has 16 divisors (see below), whose sum is σ = 17557760. Its totient is φ = 6461856.

The previous prime is 11415233. The next prime is 11415247. The reversal of 11415243 is 34251411.

It is not a de Polignac number, because 11415243 - 2⁹ = 11414731 is a prime.

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

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11415247) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 205 + ... + 4782.

It is an arithmetic number, because the mean of its divisors is an integer number (1097360).

Almost surely, 2^11415243 is an apocalyptic number.

11415243 is a deficient number, since it is larger than the sum of its proper divisors (6142517).

11415243 is a wasteful number, since it uses less digits than its factorization.

11415243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5106.

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

The square root of 11415243 is about 3378.6451426570. The cubic root of 11415243 is about 225.1619771920.

Adding to 11415243 its reverse (34251411), we get a palindrome (45666654).

The spelling of 11415243 in words is "eleven million, four hundred fifteen thousand, two hundred forty-three".