11516243 has 4 divisors (see below), whose sum is σ = 11523120. Its totient is φ = 11509368.

The previous prime is 11516237. The next prime is 11516249. The reversal of 11516243 is 34261511.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is an interprime number because it is at equal distance from previous prime (11516237) and next prime (11516249).

It is a cyclic number.

It is not a de Polignac number, because 11516243 - 2⁴ = 11516227 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11516249) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 893 + ... + 4881.

It is an arithmetic number, because the mean of its divisors is an integer number (2880780).

Almost surely, 2^11516243 is an apocalyptic number.

11516243 is a deficient number, since it is larger than the sum of its proper divisors (6877).

11516243 is an equidigital number, since it uses as much as digits as its factorization.

11516243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6876.

The product of its digits is 720, while the sum is 23.

The square root of 11516243 is about 3393.5590461932. The cubic root of 11516243 is about 225.8240923705.

Adding to 11516243 its reverse (34261511), we get a palindrome (45777754).

The spelling of 11516243 in words is "eleven million, five hundred sixteen thousand, two hundred forty-three".