118271802080656 has 45 divisors (see below), whose sum is σ = 266564811662571. Its totient is φ = 50687784674016.

The previous prime is 118271802080623. The next prime is 118271802080723. The reversal of 118271802080656 is 656080208172811.

The square root of 118271802080656 is 10875284.

It is a perfect power (a square), and thus also a powerful number.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 118271802080597 and 118271802080606.

It is an unprimeable number.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 304313751 + ... + 304702153.

Almost surely, 2^{118271802080656} is an apocalyptic number.

118271802080656 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

118271802080656 is the 10875284-th square number.

It is an amenable number.

118271802080656 is an abundant number, since it is smaller than the sum of its proper divisors (148293009581915).

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

118271802080656 is an frugal number, since it uses more digits than its factorization.

118271802080656 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 776828 (or 388412 counting only the distinct ones).

The product of its (nonzero) digits is 2580480, while the sum is 55.

The spelling of 118271802080656 in words is "one hundred eighteen trillion, two hundred seventy-one billion, eight hundred two million, eighty thousand, six hundred fifty-six".