118749812520 has 128 divisors (see below), whose sum is σ = 358345296000. Its totient is φ = 31480673280.

The previous prime is 118749812483. The next prime is 118749812537. The reversal of 118749812520 is 25218947811.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 118749812520.

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 31 ways as a sum of consecutive naturals, for example, 28077766 + ... + 28081994.

It is an arithmetic number, because the mean of its divisors is an integer number (2799572625).

Almost surely, 2^118749812520 is an apocalyptic number.

118749812520 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 118749812520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (179172648000).

118749812520 is an abundant number, since it is smaller than the sum of its proper divisors (239595483480).

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

118749812520 is a wasteful number, since it uses less digits than its factorization.

118749812520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5563 (or 5559 counting only the distinct ones).

The product of its (nonzero) digits is 322560, while the sum is 48.

The spelling of 118749812520 in words is "one hundred eighteen billion, seven hundred forty-nine million, eight hundred twelve thousand, five hundred twenty".