1800048200665 has 48 divisors (see below), whose sum is σ = 2577940477056. Its totient is φ = 1195965388800.

The previous prime is 1800048200663. The next prime is 1800048200701. The reversal of 1800048200665 is 5660028400081.

It is not a de Polignac number, because 1800048200665 - 2¹ = 1800048200663 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1800048200663) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 96621 + ... + 1899850.

It is an arithmetic number, because the mean of its divisors is an integer number (53707093272).

Almost surely, 2^{1800048200665} is an apocalyptic number.

It is an amenable number.

1800048200665 is a deficient number, since it is larger than the sum of its proper divisors (777892276391).

1800048200665 is a wasteful number, since it uses less digits than its factorization.

1800048200665 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1996610 (or 1996597 counting only the distinct ones).

The product of its (nonzero) digits is 92160, while the sum is 40.

The spelling of 1800048200665 in words is "one trillion, eight hundred billion, forty-eight million, two hundred thousand, six hundred sixty-five".