555109066756864 has 36 divisors (see below), whose sum is σ = 1110898195832880. Its totient is φ = 276841025530880.

The previous prime is 555109066756859. The next prime is 555109066756901. The reversal of 555109066756864 is 468657660901555.

It is a super-2 number, since 2×555109066756864² (a number of 30 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2787040252 + ... + 2787239419.

It is an arithmetic number, because the mean of its divisors is an integer number (30858283217580).

Almost surely, 2^{555109066756864} is an apocalyptic number.

It is an amenable number.

555109066756864 is an abundant number, since it is smaller than the sum of its proper divisors (555789129076016).

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

555109066756864 is an equidigital number, since it uses as much as digits as its factorization.

555109066756864 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5574280076 (or 5574280062 counting only the distinct ones).

The product of its (nonzero) digits is 1632960000, while the sum is 73.

The spelling of 555109066756864 in words is "five hundred fifty-five trillion, one hundred nine billion, sixty-six million, seven hundred fifty-six thousand, eight hundred sixty-four".