18885000502 has 4 divisors (see below), whose sum is σ = 28327500756. Its totient is φ = 9442500250.

The previous prime is 18885000499. The next prime is 18885000527. The reversal of 18885000502 is 20500058881.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 20500058881 = 5449 ⋅3762169.

It is a super-3 number, since 3×18885000502³ (a number of 32 digits) contains 333 as substring.

It is a congruent number.

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 as a sum of consecutive naturals, namely, 4721250124 + ... + 4721250127.

It is an arithmetic number, because the mean of its divisors is an integer number (7081875189).

Almost surely, 2^18885000502 is an apocalyptic number.

18885000502 is a deficient number, since it is larger than the sum of its proper divisors (9442500254).

18885000502 is an equidigital number, since it uses as much as digits as its factorization.

18885000502 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9442500253.

The product of its (nonzero) digits is 25600, while the sum is 37.

The spelling of 18885000502 in words is "eighteen billion, eight hundred eighty-five million, five hundred two", and thus it is an aban number.