118171569605120 has 40 divisors (see below), whose sum is σ = 283334802442164. Its totient is φ = 47268627841024.

The previous prime is 118171569605077. The next prime is 118171569605137. The reversal of 118171569605120 is 21506965171811.

It can be written as a sum of positive squares in 2 ways, for example, as 102337664299264 + 15833905305856 = 10116208^2 + 3979184^2 .

It is a tau number, because it is divible by the number of its divisors (40).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 23080382129 + ... + 23080387248.

Almost surely, 2^{118171569605120} is an apocalyptic number.

118171569605120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

118171569605120 is an abundant number, since it is smaller than the sum of its proper divisors (165163232837044).

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

118171569605120 is an frugal number, since it uses more digits than its factorization.

118171569605120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46160769400 (or 46160769384 counting only the distinct ones).

The product of its (nonzero) digits is 907200, while the sum is 53.

The spelling of 118171569605120 in words is "one hundred eighteen trillion, one hundred seventy-one billion, five hundred sixty-nine million, six hundred five thousand, one hundred twenty".