18063500128 has 12 divisors (see below), whose sum is σ = 35562515940. Its totient is φ = 9031750048.

The previous prime is 18063500123. The next prime is 18063500131. The reversal of 18063500128 is 82100536081.

It is a junction number, because it is equal to n+sod(n) for n = 18063500093 and 18063500102.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18063500123) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 282242158 + ... + 282242221.

It is an arithmetic number, because the mean of its divisors is an integer number (2963542995).

Almost surely, 2^18063500128 is an apocalyptic number.

It is an amenable number.

18063500128 is a deficient number, since it is larger than the sum of its proper divisors (17499015812).

18063500128 is an equidigital number, since it uses as much as digits as its factorization.

18063500128 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 564484389 (or 564484381 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 34.

The spelling of 18063500128 in words is "eighteen billion, sixty-three million, five hundred thousand, one hundred twenty-eight".