117105513 has 16 divisors (see below), whose sum is σ = 178661376. Its totient is φ = 66836880.

The previous prime is 117105511. The next prime is 117105517. The reversal of 117105513 is 315501711.

It is not a de Polignac number, because 117105513 - 2¹ = 117105511 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (117105511) 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 15 ways as a sum of consecutive naturals, for example, 17520 + ... + 23262.

It is an arithmetic number, because the mean of its divisors is an integer number (11166336).

Almost surely, 2^117105513 is an apocalyptic number.

It is an amenable number.

117105513 is a deficient number, since it is larger than the sum of its proper divisors (61555863).

117105513 is an equidigital number, since it uses as much as digits as its factorization.

117105513 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6724.

The product of its (nonzero) digits is 525, while the sum is 24.

The square root of 117105513 is about 10821.5300674165. The cubic root of 117105513 is about 489.2443064760.

The spelling of 117105513 in words is "one hundred seventeen million, one hundred five thousand, five hundred thirteen".