118471405056 has 160 divisors (see below), whose sum is σ = 327433328640. Its totient is φ = 38019588096.

The previous prime is 118471404943. The next prime is 118471405097. The reversal of 118471405056 is 650504174811.

It is a junction number, because it is equal to n+sod(n) for n = 118471404999 and 118471405017.

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, 16344025 + ... + 16351271.

It is an arithmetic number, because the mean of its divisors is an integer number (2046458304).

Almost surely, 2^118471405056 is an apocalyptic number.

118471405056 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 118471405056, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (163716664320).

118471405056 is an abundant number, since it is smaller than the sum of its proper divisors (208961923584).

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

118471405056 is an equidigital number, since it uses as much as digits as its factorization.

118471405056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7664 (or 7648 counting only the distinct ones).

The product of its (nonzero) digits is 134400, while the sum is 42.

Adding to 118471405056 its reverse (650504174811), we get a palindrome (768975579867).

The spelling of 118471405056 in words is "one hundred eighteen billion, four hundred seventy-one million, four hundred five thousand, fifty-six".