117011180 has 96 divisors (see below), whose sum is σ = 291610368. Its totient is φ = 38880000.

The previous prime is 117011137. The next prime is 117011183. The reversal of 117011180 is 81110711.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is not an unprimeable number, because it can be changed into a prime (117011183) 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 31 ways as a sum of consecutive naturals, for example, 466055 + ... + 466305.

It is an arithmetic number, because the mean of its divisors is an integer number (3037608).

Almost surely, 2^117011180 is an apocalyptic number.

117011180 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 117011180, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (145805184).

117011180 is an abundant number, since it is smaller than the sum of its proper divisors (174599188).

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

117011180 is a wasteful number, since it uses less digits than its factorization.

117011180 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 447 (or 445 counting only the distinct ones).

The product of its (nonzero) digits is 56, while the sum is 20.

The square root of 117011180 is about 10817.1706097297. The cubic root of 117011180 is about 489.1129028102.

Adding to 117011180 its reverse (81110711), we get a palindrome (198121891).

The spelling of 117011180 in words is "one hundred seventeen million, eleven thousand, one hundred eighty".