117832155 has 64 divisors (see below), whose sum is σ = 223727616. Its totient is φ = 51840000.

The previous prime is 117832123. The next prime is 117832157. The reversal of 117832155 is 551238711.

It is not a de Polignac number, because 117832155 - 2⁵ = 117832123 is a prime.

It is not an unprimeable number, because it can be changed into a prime (117832157) by changing a digit.

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 63 ways as a sum of consecutive naturals, for example, 434670 + ... + 434940.

It is an arithmetic number, because the mean of its divisors is an integer number (3495744).

Almost surely, 2^117832155 is an apocalyptic number.

117832155 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

117832155 is a deficient number, since it is larger than the sum of its proper divisors (105895461).

117832155 is a wasteful number, since it uses less digits than its factorization.

117832155 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 428.

The product of its digits is 8400, while the sum is 33.

The square root of 117832155 is about 10855.0520496219. The cubic root of 117832155 is about 490.2541441585.

It can be divided in two parts, 1178 and 32155, that added together give a palindrome (33333).

The spelling of 117832155 in words is "one hundred seventeen million, eight hundred thirty-two thousand, one hundred fifty-five".