11518416323 has 4 divisors (see below), whose sum is σ = 11519029368. Its totient is φ = 11517803280.

The previous prime is 11518416281. The next prime is 11518416367. The reversal of 11518416323 is 32361481511.

It is a happy number.

11518416323 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 32361481511 = 19 ⋅1703235869.

It is a cyclic number.

It is not a de Polignac number, because 11518416323 - 2¹⁰ = 11518415299 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11518416523) 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 3 ways as a sum of consecutive naturals, for example, 277418 + ... + 316223.

It is an arithmetic number, because the mean of its divisors is an integer number (2879757342).

Almost surely, 2^11518416323 is an apocalyptic number.

11518416323 is a deficient number, since it is larger than the sum of its proper divisors (613045).

11518416323 is an equidigital number, since it uses as much as digits as its factorization.

11518416323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 613044.

The product of its digits is 17280, while the sum is 35.

Adding to 11518416323 its reverse (32361481511), we get a palindrome (43879897834).

The spelling of 11518416323 in words is "eleven billion, five hundred eighteen million, four hundred sixteen thousand, three hundred twenty-three".