118291165312 has 64 divisors (see below), whose sum is σ = 246006668160. Its totient is φ = 56550461440.

The previous prime is 118291165309. The next prime is 118291165361. The reversal of 118291165312 is 213561192811.

It is a tau number, because it is divible by the number of its divisors (64).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8539512 + ... + 8553352.

It is an arithmetic number, because the mean of its divisors is an integer number (3843854190).

Almost surely, 2^118291165312 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 118291165312, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (123003334080).

118291165312 is an abundant number, since it is smaller than the sum of its proper divisors (127715502848).

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

118291165312 is a wasteful number, since it uses less digits than its factorization.

118291165312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16781 (or 16769 counting only the distinct ones).

The product of its digits is 25920, while the sum is 40.

The spelling of 118291165312 in words is "one hundred eighteen billion, two hundred ninety-one million, one hundred sixty-five thousand, three hundred twelve".