117251071008 has 96 divisors (see below), whose sum is σ = 326391037056. Its totient is φ = 36727984128.

The previous prime is 117251070997. The next prime is 117251071013. The reversal of 117251071008 is 800170152711.

It is a tau number, because it is divible by the number of its divisors (96).

It is a self number, because there is not a number n which added to its sum of digits gives 117251071008.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1010685 + ... + 1120707.

It is an arithmetic number, because the mean of its divisors is an integer number (3399906636).

Almost surely, 2^117251071008 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 117251071008, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (163195518528).

117251071008 is an abundant number, since it is smaller than the sum of its proper divisors (209139966048).

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

117251071008 is a wasteful number, since it uses less digits than its factorization.

117251071008 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 110706 (or 110698 counting only the distinct ones).

The product of its (nonzero) digits is 3920, while the sum is 33.

The spelling of 117251071008 in words is "one hundred seventeen billion, two hundred fifty-one million, seventy-one thousand, eight".