118501165440 has 768 divisors, whose sum is σ = 487594598400. Its totient is φ = 25949306880.

The previous prime is 118501165427. The next prime is 118501165483. The reversal of 118501165440 is 44561105811.

118501165440 is a `hidden beast` number, since 1 + 1 + 8 + 50 + 1 + 165 + 440 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 118501165395 and 118501165404.

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, 141240541 + ... + 141241379.

It is an arithmetic number, because the mean of its divisors is an integer number (634888800).

Almost surely, 2^118501165440 is an apocalyptic number.

118501165440 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 118501165440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (243797299200).

118501165440 is an abundant number, since it is smaller than the sum of its proper divisors (369093432960).

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

118501165440 is a wasteful number, since it uses less digits than its factorization.

118501165440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1015 (or 1000 counting only the distinct ones).

The product of its (nonzero) digits is 19200, while the sum is 36.

The spelling of 118501165440 in words is "one hundred eighteen billion, five hundred one million, one hundred sixty-five thousand, four hundred forty".