18503045485 has 8 divisors (see below), whose sum is σ = 22919901696. Its totient is φ = 14324938320.

The previous prime is 18503045467. The next prime is 18503045503. The reversal of 18503045485 is 58454030581.

It is an interprime number because it is at equal distance from previous prime (18503045467) and next prime (18503045503).

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

It is a de Polignac number, because none of the positive numbers 2^k-18503045485 is a prime.

It is a Duffinian number.

It is a congruent number.

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, 59687089 + ... + 59687398.

It is an arithmetic number, because the mean of its divisors is an integer number (2864987712).

Almost surely, 2^18503045485 is an apocalyptic number.

It is an amenable number.

18503045485 is a deficient number, since it is larger than the sum of its proper divisors (4416856211).

18503045485 is a wasteful number, since it uses less digits than its factorization.

18503045485 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 119374523.

The product of its (nonzero) digits is 384000, while the sum is 43.

The spelling of 18503045485 in words is "eighteen billion, five hundred three million, forty-five thousand, four hundred eighty-five".