117510109 has 2 divisors, whose sum is σ = 117510110. Its totient is φ = 117510108.

The previous prime is 117510091. The next prime is 117510131. The reversal of 117510109 is 901015711.

Together with previous prime (117510091) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 80604484 + 36905625 = 8978^2 + 6075^2 .

It is an emirp because it is prime and its reverse (901015711) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-117510109 is a prime.

It is a super-3 number, since 3×117510109³ (a number of 25 digits) contains 333 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (117510149) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 58755054 + 58755055.

It is an arithmetic number, because the mean of its divisors is an integer number (58755055).

Almost surely, 2^117510109 is an apocalyptic number.

It is an amenable number.

117510109 is a deficient number, since it is larger than the sum of its proper divisors (1).

117510109 is an equidigital number, since it uses as much as digits as its factorization.

117510109 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 315, while the sum is 25.

The square root of 117510109 is about 10840.2079777097. The cubic root of 117510109 is about 489.8071002471.

The spelling of 117510109 in words is "one hundred seventeen million, five hundred ten thousand, one hundred nine".