1818201100089 has 16 divisors (see below), whose sum is σ = 2759641196544. Its totient is φ = 1054029622800.

The previous prime is 1818201100069. The next prime is 1818201100099. The reversal of 1818201100089 is 9800011028181.

It is not a de Polignac number, because 1818201100089 - 2⁵ = 1818201100057 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1818201100019) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1197760177 + ... + 1197761694.

It is an arithmetic number, because the mean of its divisors is an integer number (172477574784).

Almost surely, 2^{1818201100089} is an apocalyptic number.

It is an amenable number.

1818201100089 is a deficient number, since it is larger than the sum of its proper divisors (941440096455).

1818201100089 is a wasteful number, since it uses less digits than its factorization.

1818201100089 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2395521908.

The product of its (nonzero) digits is 9216, while the sum is 39.

The spelling of 1818201100089 in words is "one trillion, eight hundred eighteen billion, two hundred one million, one hundred thousand, eighty-nine".