18799815052 has 12 divisors (see below), whose sum is σ = 33136365640. Its totient is φ = 9332282016.

The previous prime is 18799814989. The next prime is 18799815113. The reversal of 18799815052 is 25051899781.

It is a junction number, because it is equal to n+sod(n) for n = 18799814984 and 18799815002.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16905753 + ... + 16906864.

Almost surely, 2^18799815052 is an apocalyptic number.

It is an amenable number.

18799815052 is a deficient number, since it is larger than the sum of its proper divisors (14336550588).

18799815052 is a wasteful number, since it uses less digits than its factorization.

18799815052 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33812760 (or 33812758 counting only the distinct ones).

The product of its (nonzero) digits is 1814400, while the sum is 55.

The spelling of 18799815052 in words is "eighteen billion, seven hundred ninety-nine million, eight hundred fifteen thousand, fifty-two".