71104240117 has 4 divisors (see below), whose sum is σ = 71105023980. Its totient is φ = 71103456256.

The previous prime is 71104240099. The next prime is 71104240133.

71104240117 is nontrivially palindromic in base 10.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 35655258276 + 35448981841 = 188826^2 + 188279^2 .

It is a cyclic number.

It is not a de Polignac number, because 71104240117 - 2³⁵ = 36744501749 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 (71104240157) 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, 234892 + ... + 444277.

It is an arithmetic number, because the mean of its divisors is an integer number (17776255995).

Almost surely, 2^71104240117 is an apocalyptic number.

It is an amenable number.

71104240117 is a deficient number, since it is larger than the sum of its proper divisors (783863).

71104240117 is a wasteful number, since it uses less digits than its factorization.

71104240117 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 783862.

The product of its (nonzero) digits is 1568, while the sum is 28.

The spelling of 71104240117 in words is "seventy-one billion, one hundred four million, two hundred forty thousand, one hundred seventeen".