8055615819872 has 24 divisors (see below), whose sum is σ = 15894197161416. Its totient is φ = 4018994318592.

The previous prime is 8055615819859. The next prime is 8055615819877. The reversal of 8055615819872 is 2789185165508.

It is a junction number, because it is equal to n+sod(n) for n = 8055615819799 and 8055615819808.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8055615819877) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 275409878 + ... + 275439125.

It is an arithmetic number, because the mean of its divisors is an integer number (662258215059).

Almost surely, 2^{8055615819872} is an apocalyptic number.

It is an amenable number.

8055615819872 is a deficient number, since it is larger than the sum of its proper divisors (7838581341544).

8055615819872 is a wasteful number, since it uses less digits than its factorization.

8055615819872 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 550849470 (or 550849462 counting only the distinct ones).

The product of its (nonzero) digits is 48384000, while the sum is 65.

The spelling of 8055615819872 in words is "eight trillion, fifty-five billion, six hundred fifteen million, eight hundred nineteen thousand, eight hundred seventy-two".