71135453117 has 4 divisors (see below), whose sum is σ = 71839764636. Its totient is φ = 70431141600.

The previous prime is 71135453083. The next prime is 71135453159.

71135453117 is nontrivially palindromic in base 10.

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 66949492516 + 4185960601 = 258746^2 + 64699^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-71135453117 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 (71135453167) 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, 352155608 + ... + 352155809.

It is an arithmetic number, because the mean of its divisors is an integer number (17959941159).

Almost surely, 2^71135453117 is an apocalyptic number.

It is an amenable number.

71135453117 is a deficient number, since it is larger than the sum of its proper divisors (704311519).

71135453117 is a wasteful number, since it uses less digits than its factorization.

71135453117 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 704311518.

The product of its digits is 44100, while the sum is 38.

The spelling of 71135453117 in words is "seventy-one billion, one hundred thirty-five million, four hundred fifty-three thousand, one hundred seventeen".