18486511132 has 24 divisors (see below), whose sum is σ = 33248408256. Its totient is φ = 8987306688.

The previous prime is 18486511097. The next prime is 18486511217. The reversal of 18486511132 is 23111568481.

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, 179133 + ... + 262795.

It is an arithmetic number, because the mean of its divisors is an integer number (1385350344).

Almost surely, 2^18486511132 is an apocalyptic number.

It is an amenable number.

18486511132 is a deficient number, since it is larger than the sum of its proper divisors (14761897124).

18486511132 is a wasteful number, since it uses less digits than its factorization.

18486511132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 85197 (or 85195 counting only the distinct ones).

The product of its digits is 46080, while the sum is 40.

The spelling of 18486511132 in words is "eighteen billion, four hundred eighty-six million, five hundred eleven thousand, one hundred thirty-two".