9840555055555 has 96 divisors (see below), whose sum is σ = 14001429657600. Its totient is φ = 6638342884992.

The previous prime is 9840555055549. The next prime is 9840555055619. The reversal of 9840555055555 is 5555505550489.

It is not a de Polignac number, because 9840555055555 - 2³ = 9840555055547 is a prime.

It is a hoax number, since the sum of its digits (61) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 9840555055493 and 9840555055502.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 1945155616 + ... + 1945160674.

It is an arithmetic number, because the mean of its divisors is an integer number (145848225600).

Almost surely, 2^{9840555055555} is an apocalyptic number.

9840555055555 is a deficient number, since it is larger than the sum of its proper divisors (4160874602045).

9840555055555 is an frugal number, since it uses more digits than its factorization.

9840555055555 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5471 (or 5443 counting only the distinct ones).

The product of its (nonzero) digits is 112500000, while the sum is 61.

The spelling of 9840555055555 in words is "nine trillion, eight hundred forty billion, five hundred fifty-five million, fifty-five thousand, five hundred fifty-five".