117611128536 has 128 divisors (see below), whose sum is σ = 322672896000. Its totient is φ = 35427476480.

The previous prime is 117611128487. The next prime is 117611128559. The reversal of 117611128536 is 635821116711.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 49023865 + ... + 49026263.

It is an arithmetic number, because the mean of its divisors is an integer number (2520882000).

Almost surely, 2^117611128536 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 117611128536, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (161336448000).

117611128536 is an abundant number, since it is smaller than the sum of its proper divisors (205061767464).

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

117611128536 is a wasteful number, since it uses less digits than its factorization.

117611128536 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3449 (or 3445 counting only the distinct ones).

The product of its digits is 60480, while the sum is 42.

The spelling of 117611128536 in words is "one hundred seventeen billion, six hundred eleven million, one hundred twenty-eight thousand, five hundred thirty-six".