117075505 has 4 divisors (see below), whose sum is σ = 140490612. Its totient is φ = 93660400.

The previous prime is 117075479. The next prime is 117075509. The reversal of 117075505 is 505570711.

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 22771984 + 94303521 = 4772^2 + 9711^2 .

It is a de Polignac number, because none of the positive numbers 2^k-117075505 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (117075509) 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, 11707546 + ... + 11707555.

It is an arithmetic number, because the mean of its divisors is an integer number (35122653).

Almost surely, 2^117075505 is an apocalyptic number.

It is an amenable number.

117075505 is a deficient number, since it is larger than the sum of its proper divisors (23415107).

117075505 is an equidigital number, since it uses as much as digits as its factorization.

117075505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23415106.

The product of its (nonzero) digits is 6125, while the sum is 31.

The square root of 117075505 is about 10820.1434833370. The cubic root of 117075505 is about 489.2025136889.

The spelling of 117075505 in words is "one hundred seventeen million, seventy-five thousand, five hundred five".