811200020002118 has 16 divisors (see below), whose sum is σ = 1219534906369920. Its totient is φ = 404689185274176.

The previous prime is 811200020002111. The next prime is 811200020002189.

811200020002118 is nontrivially palindromic in base 10.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (811200020002111) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 198154871 + ... + 202207202.

It is an arithmetic number, because the mean of its divisors is an integer number (76220931648120).

Almost surely, 2^{811200020002118} is an apocalyptic number.

811200020002118 is a deficient number, since it is larger than the sum of its proper divisors (408334886367802).

811200020002118 is a wasteful number, since it uses less digits than its factorization.

811200020002118 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 400364351.

The product of its (nonzero) digits is 512, while the sum is 26.

The spelling of 811200020002118 in words is "eight hundred eleven trillion, two hundred billion, twenty million, two thousand, one hundred eighteen".