117502171488 has 144 divisors (see below), whose sum is σ = 360690273216. Its totient is φ = 36070133760.

The previous prime is 117502171483. The next prime is 117502171517. The reversal of 117502171488 is 884171205711.

117502171488 is a `hidden beast` number, since 11 + 75 + 0 + 21 + 71 + 488 = 666.

It is a tau number, because it is divible by the number of its divisors (144).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (117502171481) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1577256 + ... + 1650072.

It is an arithmetic number, because the mean of its divisors is an integer number (2504793564).

Almost surely, 2^117502171488 is an apocalyptic number.

117502171488 is a gapful number since it is divisible by the number (18) 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 117502171488, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (180345136608).

117502171488 is an abundant number, since it is smaller than the sum of its proper divisors (243188101728).

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

117502171488 is a wasteful number, since it uses less digits than its factorization.

117502171488 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 73277 (or 73266 counting only the distinct ones).

The product of its (nonzero) digits is 125440, while the sum is 45.

The spelling of 117502171488 in words is "one hundred seventeen billion, five hundred two million, one hundred seventy-one thousand, four hundred eighty-eight".