18143680115 has 8 divisors (see below), whose sum is σ = 23751726768. Its totient is φ = 13195403680.

The previous prime is 18143680073. The next prime is 18143680171. The reversal of 18143680115 is 51108634181.

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

It is not a de Polignac number, because 18143680115 - 2⁸ = 18143679859 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 164942492 + ... + 164942601.

It is an arithmetic number, because the mean of its divisors is an integer number (2968965846).

Almost surely, 2^18143680115 is an apocalyptic number.

18143680115 is a deficient number, since it is larger than the sum of its proper divisors (5608046653).

18143680115 is a wasteful number, since it uses less digits than its factorization.

18143680115 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 329885109.

The product of its (nonzero) digits is 23040, while the sum is 38.

The spelling of 18143680115 in words is "eighteen billion, one hundred forty-three million, six hundred eighty thousand, one hundred fifteen".