118523916728 has 16 divisors (see below), whose sum is σ = 253979821680. Its totient is φ = 50795964288.

The previous prime is 118523916677. The next prime is 118523916757. The reversal of 118523916728 is 827619325811.

It is a Smith number, since the sum of its digits (53) coincides with the sum of the digits of its prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 118523916728.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1058249201 + ... + 1058249312.

It is an arithmetic number, because the mean of its divisors is an integer number (15873738855).

Almost surely, 2^118523916728 is an apocalyptic number.

It is an amenable number.

118523916728 is an abundant number, since it is smaller than the sum of its proper divisors (135455904952).

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

118523916728 is a wasteful number, since it uses less digits than its factorization.

118523916728 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2116498526 (or 2116498522 counting only the distinct ones).

The product of its digits is 1451520, while the sum is 53.

The spelling of 118523916728 in words is "one hundred eighteen billion, five hundred twenty-three million, nine hundred sixteen thousand, seven hundred twenty-eight".