118557143208 has 256 divisors, whose sum is σ = 390140928000. Its totient is φ = 32639023872.

The previous prime is 118557143203. The next prime is 118557143227. The reversal of 118557143208 is 802341755811.

118557143208 is a `hidden beast` number, since 1 + 18 + 5 + 571 + 43 + 20 + 8 = 666.

It is not an unprimeable number, because it can be changed into a prime (118557143203) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 23982385 + ... + 23987327.

It is an arithmetic number, because the mean of its divisors is an integer number (1523988000).

Almost surely, 2^118557143208 is an apocalyptic number.

118557143208 is a gapful number since it is divisible by the number (18) 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 118557143208, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (195070464000).

118557143208 is an abundant number, since it is smaller than the sum of its proper divisors (271583784792).

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

118557143208 is a wasteful number, since it uses less digits than its factorization.

118557143208 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5541 (or 5531 counting only the distinct ones).

The product of its (nonzero) digits is 268800, while the sum is 45.

The spelling of 118557143208 in words is "one hundred eighteen billion, five hundred fifty-seven million, one hundred forty-three thousand, two hundred eight".