18375048312 has 32 divisors (see below), whose sum is σ = 47934910080. Its totient is φ = 5858710880.

The previous prime is 18375048259. The next prime is 18375048331. The reversal of 18375048312 is 21384057381.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16643514 + ... + 16644617.

It is an arithmetic number, because the mean of its divisors is an integer number (1497965940).

Almost surely, 2^18375048312 is an apocalyptic number.

18375048312 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

18375048312 is an abundant number, since it is smaller than the sum of its proper divisors (29559861768).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

18375048312 is a wasteful number, since it uses less digits than its factorization.

18375048312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33288163 (or 33288159 counting only the distinct ones).

The product of its (nonzero) digits is 161280, while the sum is 42.

The spelling of 18375048312 in words is "eighteen billion, three hundred seventy-five million, forty-eight thousand, three hundred twelve".