13331500018 has 8 divisors (see below), whose sum is σ = 19998776412. Its totient is φ = 6665241216.

The previous prime is 13331500001. The next prime is 13331500031. The reversal of 13331500018 is 81000513331.

It can be written as a sum of positive squares in 2 ways, for example, as 13088046409 + 243453609 = 114403^2 + 15603^2 .

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

It is a junction number, because it is equal to n+sod(n) for n = 13331499965 and 13331500001.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 220755 + ... + 274582.

Almost surely, 2^13331500018 is an apocalyptic number.

13331500018 is a deficient number, since it is larger than the sum of its proper divisors (6667276394).

13331500018 is a wasteful number, since it uses less digits than its factorization.

13331500018 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 508796.

The product of its (nonzero) digits is 1080, while the sum is 25.

The spelling of 13331500018 in words is "thirteen billion, three hundred thirty-one million, five hundred thousand, eighteen".