1813104508116 has 96 divisors (see below), whose sum is σ = 4626372481920. Its totient is φ = 548093952000.

The previous prime is 1813104508043. The next prime is 1813104508129. The reversal of 1813104508116 is 6118054013181.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 121931130 + ... + 121945998.

It is an arithmetic number, because the mean of its divisors is an integer number (48191380020).

Almost surely, 2^{1813104508116} is an apocalyptic number.

It is an amenable number.

1813104508116 is an abundant number, since it is smaller than the sum of its proper divisors (2813267973804).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1813104508116 is a wasteful number, since it uses less digits than its factorization.

1813104508116 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17065 (or 17063 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 39.

The spelling of 1813104508116 in words is "one trillion, eight hundred thirteen billion, one hundred four million, five hundred eight thousand, one hundred sixteen".