117128744732 has 48 divisors (see below), whose sum is σ = 212914814112. Its totient is φ = 56341125120.

The previous prime is 117128744683. The next prime is 117128744849. The reversal of 117128744732 is 237447821711.

It is a happy number.

It is a Smith number, since the sum of its digits (47) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3634763 + ... + 3666845.

It is an arithmetic number, because the mean of its divisors is an integer number (4435725294).

Almost surely, 2^117128744732 is an apocalyptic number.

It is an amenable number.

117128744732 is a deficient number, since it is larger than the sum of its proper divisors (95786069380).

117128744732 is a wasteful number, since it uses less digits than its factorization.

117128744732 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32438 (or 32436 counting only the distinct ones).

The product of its digits is 526848, while the sum is 47.

The spelling of 117128744732 in words is "one hundred seventeen billion, one hundred twenty-eight million, seven hundred forty-four thousand, seven hundred thirty-two".