18011480863 has 12 divisors (see below), whose sum is σ = 19635789160. Its totient is φ = 16475096736.

The previous prime is 18011480857. The next prime is 18011480867. The reversal of 18011480863 is 36808411081.

It is not a de Polignac number, because 18011480863 - 2¹⁷ = 18011349791 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18011480867) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 547620 + ... + 579577.

Almost surely, 2^18011480863 is an apocalyptic number.

18011480863 is a deficient number, since it is larger than the sum of its proper divisors (1624308297).

18011480863 is a wasteful number, since it uses less digits than its factorization.

18011480863 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1127274 (or 1127245 counting only the distinct ones).

The product of its (nonzero) digits is 36864, while the sum is 40.

The spelling of 18011480863 in words is "eighteen billion, eleven million, four hundred eighty thousand, eight hundred sixty-three".