117305663528 has 8 divisors (see below), whose sum is σ = 219948119130. Its totient is φ = 58652831760.

The previous prime is 117305663477. The next prime is 117305663561. The reversal of 117305663528 is 825366503711.

It can be written as a sum of positive squares in only one way, i.e., 86272613284 + 31033050244 = 293722^2 + 176162^2 .

It is a tau number, because it is divible by the number of its divisors (8).

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 as a sum of consecutive naturals, namely, 7331603963 + ... + 7331603978.

Almost surely, 2^117305663528 is an apocalyptic number.

It is an amenable number.

117305663528 is a deficient number, since it is larger than the sum of its proper divisors (102642455602).

117305663528 is a wasteful number, since it uses less digits than its factorization.

117305663528 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14663207947 (or 14663207943 counting only the distinct ones).

The product of its (nonzero) digits is 907200, while the sum is 47.

The spelling of 117305663528 in words is "one hundred seventeen billion, three hundred five million, six hundred sixty-three thousand, five hundred twenty-eight".