18803234915 has 8 divisors (see below), whose sum is σ = 23291749248. Its totient is φ = 14557343040.

The previous prime is 18803234911. The next prime is 18803234927. The reversal of 18803234915 is 51943230881.

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

It is not a de Polignac number, because 18803234915 - 2² = 18803234911 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (18803234911) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 60655442 + ... + 60655751.

It is an arithmetic number, because the mean of its divisors is an integer number (2911468656).

Almost surely, 2^18803234915 is an apocalyptic number.

18803234915 is a deficient number, since it is larger than the sum of its proper divisors (4488514333).

18803234915 is a wasteful number, since it uses less digits than its factorization.

18803234915 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 121311229.

The product of its (nonzero) digits is 207360, while the sum is 44.

The spelling of 18803234915 in words is "eighteen billion, eight hundred three million, two hundred thirty-four thousand, nine hundred fifteen".