118869398209100 has 216 divisors, whose sum is σ = 328021985249280. Its totient is φ = 36972844944000.

The previous prime is 118869398209057. The next prime is 118869398209141. The reversal of 118869398209100 is 1902893968811.

It is a happy number.

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 71 ways as a sum of consecutive naturals, for example, 23516045 + ... + 28120155.

It is an arithmetic number, because the mean of its divisors is an integer number (1518620302080).

Almost surely, 2^{118869398209100} is an apocalyptic number.

118869398209100 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 118869398209100, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (164010992624640).

118869398209100 is an abundant number, since it is smaller than the sum of its proper divisors (209152587040180).

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

118869398209100 is a wasteful number, since it uses less digits than its factorization.

118869398209100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4604629 (or 4604615 counting only the distinct ones).

The product of its (nonzero) digits is 13436928, while the sum is 65.

The spelling of 118869398209100 in words is "one hundred eighteen trillion, eight hundred sixty-nine billion, three hundred ninety-eight million, two hundred nine thousand, one hundred".