18500352050 has 24 divisors (see below), whose sum is σ = 35520678912. Its totient is φ = 7161426000.

The previous prime is 18500352029. The next prime is 18500352061. The reversal of 18500352050 is 5025300581.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5966306 + ... + 5969405.

It is an arithmetic number, because the mean of its divisors is an integer number (1480028288).

Almost surely, 2^18500352050 is an apocalyptic number.

18500352050 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

18500352050 is a deficient number, since it is larger than the sum of its proper divisors (17020326862).

18500352050 is a wasteful number, since it uses less digits than its factorization.

18500352050 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11935754 (or 11935749 counting only the distinct ones).

The product of its (nonzero) digits is 6000, while the sum is 29.

The spelling of 18500352050 in words is "eighteen billion, five hundred million, three hundred fifty-two thousand, fifty".