117105011 has 4 divisors (see below), whose sum is σ = 120882624. Its totient is φ = 113327400.

The previous prime is 117105007. The next prime is 117105013. The reversal of 117105011 is 110501711.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 117105011 - 2² = 117105007 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (117105013) 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 3 ways as a sum of consecutive naturals, for example, 1888760 + ... + 1888821.

It is an arithmetic number, because the mean of its divisors is an integer number (30220656).

Almost surely, 2^117105011 is an apocalyptic number.

117105011 is a deficient number, since it is larger than the sum of its proper divisors (3777613).

117105011 is an equidigital number, since it uses as much as digits as its factorization.

117105011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3777612.

The product of its (nonzero) digits is 35, while the sum is 17.

The square root of 117105011 is about 10821.5068728897. The cubic root of 117105011 is about 489.2436073886.

Adding to 117105011 its reverse (110501711), we get a palindrome (227606722).

The spelling of 117105011 in words is "one hundred seventeen million, one hundred five thousand, eleven".