117155610 has 96 divisors (see below), whose sum is σ = 357896448. Its totient is φ = 26213760.

The previous prime is 117155569. The next prime is 117155611. The reversal of 117155610 is 16551711.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (117155611) 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 47 ways as a sum of consecutive naturals, for example, 8319 + ... + 17421.

It is an arithmetic number, because the mean of its divisors is an integer number (3728088).

Almost surely, 2^117155610 is an apocalyptic number.

117155610 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 117155610, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (178948224).

117155610 is an abundant number, since it is smaller than the sum of its proper divisors (240740838).

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

117155610 is a wasteful number, since it uses less digits than its factorization.

117155610 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9140 (or 9137 counting only the distinct ones).

The product of its (nonzero) digits is 1050, while the sum is 27.

The square root of 117155610 is about 10823.8445110783. The cubic root of 117155610 is about 489.3140617397.

The spelling of 117155610 in words is "one hundred seventeen million, one hundred fifty-five thousand, six hundred ten".