118287755109720 has 384 divisors, whose sum is σ = 440404096204800. Its totient is φ = 26972646285312.

The previous prime is 118287755109683. The next prime is 118287755109731. The reversal of 118287755109720 is 27901557782811.

118287755109720 is a `hidden beast` number, since 1 + 1 + 8 + 2 + 8 + 7 + 7 + 5 + 510 + 97 + 20 = 666.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 4614654024 + ... + 4614679656.

It is an arithmetic number, because the mean of its divisors is an integer number (1146885667200).

Almost surely, 2^{118287755109720} is an apocalyptic number.

118287755109720 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 118287755109720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (220202048102400).

118287755109720 is an abundant number, since it is smaller than the sum of its proper divisors (322116341095080).

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

118287755109720 is a wasteful number, since it uses less digits than its factorization.

118287755109720 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29959 (or 29952 counting only the distinct ones).

The product of its (nonzero) digits is 19756800, while the sum is 63.

The spelling of 118287755109720 in words is "one hundred eighteen trillion, two hundred eighty-seven billion, seven hundred fifty-five million, one hundred nine thousand, seven hundred twenty".