117129656958 has 8 divisors (see below), whose sum is σ = 234259313928. Its totient is φ = 39043218984.

The previous prime is 117129656927. The next prime is 117129656993. The reversal of 117129656958 is 859656921711.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

117129656958 is an admirable number.

It is a Curzon number.

It is a congruent number.

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, 9760804741 + ... + 9760804752.

It is an arithmetic number, because the mean of its divisors is an integer number (29282414241).

Almost surely, 2^117129656958 is an apocalyptic number.

117129656958 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

117129656958 is a wasteful number, since it uses less digits than its factorization.

117129656958 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19521609498.

The product of its digits is 8164800, while the sum is 60.

The spelling of 117129656958 in words is "one hundred seventeen billion, one hundred twenty-nine million, six hundred fifty-six thousand, nine hundred fifty-eight".