117188621498 has 64 divisors (see below), whose sum is σ = 196807605120. Its totient is φ = 51991110912.

The previous prime is 117188621471. The next prime is 117188621507. The reversal of 117188621498 is 894126881711.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 25770461 + ... + 25775007.

It is an arithmetic number, because the mean of its divisors is an integer number (3075118830).

Almost surely, 2^117188621498 is an apocalyptic number.

117188621498 is a deficient number, since it is larger than the sum of its proper divisors (79618983622).

117188621498 is a wasteful number, since it uses less digits than its factorization.

117188621498 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4991.

The product of its digits is 1548288, while the sum is 56.

The spelling of 117188621498 in words is "one hundred seventeen billion, one hundred eighty-eight million, six hundred twenty-one thousand, four hundred ninety-eight".