118517876500 has 48 divisors (see below), whose sum is σ = 259103754000. Its totient is φ = 47359401600.

The previous prime is 118517876479. The next prime is 118517876501. The reversal of 118517876500 is 5678715811.

It can be written as a sum of positive squares in 8 ways, for example, as 15295752976 + 103222123524 = 123676^2 + 321282^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (118517876501) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 379626 + ... + 617374.

It is an arithmetic number, because the mean of its divisors is an integer number (5397994875).

Almost surely, 2^118517876500 is an apocalyptic number.

118517876500 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 118517876500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (129551877000).

118517876500 is an abundant number, since it is smaller than the sum of its proper divisors (140585877500).

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

118517876500 is a wasteful number, since it uses less digits than its factorization.

118517876500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 238765 (or 238753 counting only the distinct ones).

The product of its (nonzero) digits is 470400, while the sum is 49.

The spelling of 118517876500 in words is "one hundred eighteen billion, five hundred seventeen million, eight hundred seventy-six thousand, five hundred".