18011350099 has 8 divisors (see below), whose sum is σ = 18248199840. Its totient is φ = 17775648000.

The previous prime is 18011350069. The next prime is 18011350109. The reversal of 18011350099 is 99005311081.

It is a happy number.

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 18011350099 - 2¹⁷ = 18011219027 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (18011350039) 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, 255294 + ... + 318115.

It is an arithmetic number, because the mean of its divisors is an integer number (2281024980).

Almost surely, 2^18011350099 is an apocalyptic number.

18011350099 is a deficient number, since it is larger than the sum of its proper divisors (236849741).

18011350099 is a wasteful number, since it uses less digits than its factorization.

18011350099 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 573821.

The product of its (nonzero) digits is 9720, while the sum is 37.

The spelling of 18011350099 in words is "eighteen billion, eleven million, three hundred fifty thousand, ninety-nine".