8118428725744 has 80 divisors (see below), whose sum is σ = 16073857350144. Its totient is φ = 3971105913600.

The previous prime is 8118428725703. The next prime is 8118428725751. The reversal of 8118428725744 is 4475278248118.

It is a Harshad number since it is a multiple of its sum of digits (61).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 161945067 + ... + 161995189.

Almost surely, 2^{8118428725744} is an apocalyptic number.

It is an amenable number.

8118428725744 is a deficient number, since it is larger than the sum of its proper divisors (7955428624400).

8118428725744 is a wasteful number, since it uses less digits than its factorization.

8118428725744 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51086 (or 51080 counting only the distinct ones).

The product of its digits is 32112640, while the sum is 61.

The spelling of 8118428725744 in words is "eight trillion, one hundred eighteen billion, four hundred twenty-eight million, seven hundred twenty-five thousand, seven hundred forty-four".