71543611713 has 64 divisors (see below), whose sum is σ = 111628468224. Its totient is φ = 39916800000.

The previous prime is 71543611709. The next prime is 71543611717. The reversal of 71543611713 is 31711634517.

It is an interprime number because it is at equal distance from previous prime (71543611709) and next prime (71543611717).

It is not a de Polignac number, because 71543611713 - 2² = 71543611709 is a prime.

It is not an unprimeable number, because it can be changed into a prime (71543611717) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 95264088 + ... + 95264838.

It is an arithmetic number, because the mean of its divisors is an integer number (1744194816).

Almost surely, 2^71543611713 is an apocalyptic number.

It is an amenable number.

71543611713 is a deficient number, since it is larger than the sum of its proper divisors (40084856511).

71543611713 is a wasteful number, since it uses less digits than its factorization.

71543611713 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1366.

The product of its digits is 52920, while the sum is 39.

The spelling of 71543611713 in words is "seventy-one billion, five hundred forty-three million, six hundred eleven thousand, seven hundred thirteen".