18067481115 has 32 divisors (see below), whose sum is σ = 29795807232. Its totient is φ = 9344496000.

The previous prime is 18067481071. The next prime is 18067481167. The reversal of 18067481115 is 51118476081.

It is not a de Polignac number, because 18067481115 - 2¹⁰ = 18067480091 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 74091 + ... + 204020.

It is an arithmetic number, because the mean of its divisors is an integer number (931118976).

Almost surely, 2^18067481115 is an apocalyptic number.

18067481115 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

18067481115 is a deficient number, since it is larger than the sum of its proper divisors (11728326117).

18067481115 is a wasteful number, since it uses less digits than its factorization.

18067481115 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 278251.

The product of its (nonzero) digits is 53760, while the sum is 42.

The spelling of 18067481115 in words is "eighteen billion, sixty-seven million, four hundred eighty-one thousand, one hundred fifteen".