118347840245100 has 144 divisors (see below), whose sum is σ = 347569942294400. Its totient is φ = 31084859013120.

The previous prime is 118347840245053. The next prime is 118347840245111. The reversal of 118347840245100 is 1542048743811.

It is a super-2 number, since 2×118347840245100² (a number of 29 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 118347840245100.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 179143191 + ... + 179802609.

Almost surely, 2^{118347840245100} is an apocalyptic number.

118347840245100 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 118347840245100, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (173784971147200).

118347840245100 is an abundant number, since it is smaller than the sum of its proper divisors (229222102049300).

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

118347840245100 is a wasteful number, since it uses less digits than its factorization.

118347840245100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 668432 (or 668425 counting only the distinct ones).

The product of its (nonzero) digits is 860160, while the sum is 48.

Adding to 118347840245100 its reverse (1542048743811), we get a palindrome (119889888988911).

The spelling of 118347840245100 in words is "one hundred eighteen trillion, three hundred forty-seven billion, eight hundred forty million, two hundred forty-five thousand, one hundred".