11518744099 has 8 divisors (see below), whose sum is σ = 11650966560. Its totient is φ = 11386584000.

The previous prime is 11518744087. The next prime is 11518744141. The reversal of 11518744099 is 99044781511.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 11518744099 - 2²³ = 11510355491 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11518744019) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 427569 + ... + 453709.

It is an arithmetic number, because the mean of its divisors is an integer number (1456370820).

Almost surely, 2^11518744099 is an apocalyptic number.

11518744099 is a deficient number, since it is larger than the sum of its proper divisors (132222461).

11518744099 is an equidigital number, since it uses as much as digits as its factorization.

11518744099 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31181.

The product of its (nonzero) digits is 362880, while the sum is 49.

The spelling of 11518744099 in words is "eleven billion, five hundred eighteen million, seven hundred forty-four thousand, ninety-nine".