71143634117 has 16 divisors (see below), whose sum is σ = 73672063872. Its totient is φ = 68657803200.

The previous prime is 71143634083. The next prime is 71143634123.

It is a happy number.

71143634117 is nontrivially palindromic in base 10.

It is a cyclic number.

It is not a de Polignac number, because 71143634117 - 2⁶ = 71143634053 is a prime.

It is a super-2 number, since 2×71143634117² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (71143634137) 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 15 ways as a sum of consecutive naturals, for example, 2098223 + ... + 2131859.

It is an arithmetic number, because the mean of its divisors is an integer number (4604503992).

Almost surely, 2^71143634117 is an apocalyptic number.

It is an amenable number.

71143634117 is a deficient number, since it is larger than the sum of its proper divisors (2528429755).

71143634117 is a wasteful number, since it uses less digits than its factorization.

71143634117 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34268.

The product of its digits is 42336, while the sum is 38.

The spelling of 71143634117 in words is "seventy-one billion, one hundred forty-three million, six hundred thirty-four thousand, one hundred seventeen".