118985384980 has 96 divisors (see below), whose sum is σ = 311641344000. Its totient is φ = 37072548480.

The previous prime is 118985384971. The next prime is 118985384989. The reversal of 118985384980 is 89483589811.

It is an interprime number because it is at equal distance from previous prime (118985384971) and next prime (118985384989).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (118985384989) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4605579 + ... + 4631341.

It is an arithmetic number, because the mean of its divisors is an integer number (3246264000).

Almost surely, 2^118985384980 is an apocalyptic number.

118985384980 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 118985384980, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (155820672000).

118985384980 is an abundant number, since it is smaller than the sum of its proper divisors (192655959020).

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

118985384980 is a wasteful number, since it uses less digits than its factorization.

118985384980 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28789 (or 28787 counting only the distinct ones).

The product of its (nonzero) digits is 19906560, while the sum is 64.

The spelling of 118985384980 in words is "one hundred eighteen billion, nine hundred eighty-five million, three hundred eighty-four thousand, nine hundred eighty".