71332617113 has 4 divisors (see below), whose sum is σ = 71349536820. Its totient is φ = 71315697408.

The previous prime is 71332617107. The next prime is 71332617157. The reversal of 71332617113 is 31171623317.

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 37383449104 + 33949168009 = 193348^2 + 184253^2 .

It is a cyclic number.

It is not a de Polignac number, because 71332617113 - 2⁸ = 71332616857 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (71332607113) 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, 8453528 + ... + 8461961.

It is an arithmetic number, because the mean of its divisors is an integer number (17837384205).

Almost surely, 2^71332617113 is an apocalyptic number.

It is an amenable number.

71332617113 is a deficient number, since it is larger than the sum of its proper divisors (16919707).

71332617113 is a wasteful number, since it uses less digits than its factorization.

71332617113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16919706.

The product of its digits is 15876, while the sum is 35.

The spelling of 71332617113 in words is "seventy-one billion, three hundred thirty-two million, six hundred seventeen thousand, one hundred thirteen".