117508375505 has 4 divisors (see below), whose sum is σ = 141010050612. Its totient is φ = 94006700400.

The previous prime is 117508375493. The next prime is 117508375507. The reversal of 117508375505 is 505573805711.

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

It can be written as a sum of positive squares in 2 ways, for example, as 32696957329 + 84811418176 = 180823^2 + 291224^2 .

It is not a de Polignac number, because 117508375505 - 2¹⁶ = 117508309969 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 117508375505.

It is not an unprimeable number, because it can be changed into a prime (117508375507) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11750837546 + ... + 11750837555.

It is an arithmetic number, because the mean of its divisors is an integer number (35252512653).

Almost surely, 2^117508375505 is an apocalyptic number.

It is an amenable number.

117508375505 is a deficient number, since it is larger than the sum of its proper divisors (23501675107).

117508375505 is an equidigital number, since it uses as much as digits as its factorization.

117508375505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23501675106.

The product of its (nonzero) digits is 735000, while the sum is 47.

The spelling of 117508375505 in words is "one hundred seventeen billion, five hundred eight million, three hundred seventy-five thousand, five hundred five".