11516242043 has 4 divisors (see below), whose sum is σ = 11567884608. Its totient is φ = 11464599480.

The previous prime is 11516242027. The next prime is 11516242079. The reversal of 11516242043 is 34024261511.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 34024261511 = 4643 ⋅7328077.

It is not a de Polignac number, because 11516242043 - 2⁴ = 11516242027 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11516241997 and 11516242015.

It is not an unprimeable number, because it can be changed into a prime (11516242343) 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, 25820948 + ... + 25821393.

It is an arithmetic number, because the mean of its divisors is an integer number (2891971152).

Almost surely, 2^11516242043 is an apocalyptic number.

11516242043 is a deficient number, since it is larger than the sum of its proper divisors (51642565).

11516242043 is an equidigital number, since it uses as much as digits as its factorization.

11516242043 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51642564.

The product of its (nonzero) digits is 5760, while the sum is 29.

The spelling of 11516242043 in words is "eleven billion, five hundred sixteen million, two hundred forty-two thousand, forty-three".