117273071556 has 36 divisors (see below), whose sum is σ = 312042385200. Its totient is φ = 37033601328.

The previous prime is 117273071533. The next prime is 117273071593. The reversal of 117273071556 is 655170372711.

117273071556 is a `hidden beast` number, since 1 + 1 + 7 + 27 + 3 + 0 + 71 + 556 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is a super-2 number, since 2×117273071556² (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 85725246 + ... + 85726613.

Almost surely, 2^117273071556 is an apocalyptic number.

It is an amenable number.

117273071556 is an abundant number, since it is smaller than the sum of its proper divisors (194769313644).

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

117273071556 is a wasteful number, since it uses less digits than its factorization.

117273071556 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 171451888 (or 171451883 counting only the distinct ones).

The product of its (nonzero) digits is 308700, while the sum is 45.

The spelling of 117273071556 in words is "one hundred seventeen billion, two hundred seventy-three million, seventy-one thousand, five hundred fifty-six".