117245488405 has 4 divisors (see below), whose sum is σ = 140694586092. Its totient is φ = 93796390720.

The previous prime is 117245488403. The next prime is 117245488441. The reversal of 117245488405 is 504884542711.

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 58931932081 + 58313556324 = 242759^2 + 241482^2 .

It is not a de Polignac number, because 117245488405 - 2¹ = 117245488403 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (117245488403) 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, 11724548836 + ... + 11724548845.

It is an arithmetic number, because the mean of its divisors is an integer number (35173646523).

Almost surely, 2^117245488405 is an apocalyptic number.

It is an amenable number.

117245488405 is a deficient number, since it is larger than the sum of its proper divisors (23449097687).

117245488405 is an equidigital number, since it uses as much as digits as its factorization.

117245488405 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23449097686.

The product of its (nonzero) digits is 1433600, while the sum is 49.

The spelling of 117245488405 in words is "one hundred seventeen billion, two hundred forty-five million, four hundred eighty-eight thousand, four hundred five".