117556156 has 12 divisors (see below), whose sum is σ = 217824768. Its totient is φ = 55320512.

The previous prime is 117556129. The next prime is 117556157. The reversal of 117556156 is 651655711.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (117556157) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 864316 + ... + 864451.

It is an arithmetic number, because the mean of its divisors is an integer number (18152064).

Almost surely, 2^117556156 is an apocalyptic number.

It is an amenable number.

117556156 is a deficient number, since it is larger than the sum of its proper divisors (100268612).

117556156 is a wasteful number, since it uses less digits than its factorization.

117556156 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1728788 (or 1728786 counting only the distinct ones).

The product of its digits is 31500, while the sum is 37.

The square root of 117556156 is about 10842.3316680500. The cubic root of 117556156 is about 489.8710697853.

The spelling of 117556156 in words is "one hundred seventeen million, five hundred fifty-six thousand, one hundred fifty-six".