118782355680 has 144 divisors (see below), whose sum is σ = 405453353760. Its totient is φ = 31666811904.

The previous prime is 118782355639. The next prime is 118782355691. The reversal of 118782355680 is 86553287811.

118782355680 is a `hidden beast` number, since 1 + 1 + 8 + 7 + 8 + 2 + 3 + 556 + 80 = 666.

It is a tau number, because it is divible by the number of its divisors (144).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 6844294 + ... + 6861626.

It is an arithmetic number, because the mean of its divisors is an integer number (2815648290).

Almost surely, 2^118782355680 is an apocalyptic number.

118782355680 is a gapful number since it is divisible by the number (10) 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 118782355680, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (202726676880).

118782355680 is an abundant number, since it is smaller than the sum of its proper divisors (286670998080).

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

118782355680 is a wasteful number, since it uses less digits than its factorization.

118782355680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22113 (or 22102 counting only the distinct ones).

The product of its (nonzero) digits is 3225600, while the sum is 54.

The spelling of 118782355680 in words is "one hundred eighteen billion, seven hundred eighty-two million, three hundred fifty-five thousand, six hundred eighty".