71116537713 has 16 divisors (see below), whose sum is σ = 102162156096. Its totient is φ = 43744265280.

The previous prime is 71116537703. The next prime is 71116537727. The reversal of 71116537713 is 31773561117.

It is a happy number.

It is not a de Polignac number, because 71116537713 - 2⁴ = 71116537697 is a prime.

It is not an unprimeable number, because it can be changed into a prime (71116537703) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 323895 + ... + 497132.

It is an arithmetic number, because the mean of its divisors is an integer number (6385134756).

Almost surely, 2^71116537713 is an apocalyptic number.

It is an amenable number.

71116537713 is a deficient number, since it is larger than the sum of its proper divisors (31045618383).

71116537713 is a wasteful number, since it uses less digits than its factorization.

71116537713 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 823264.

The product of its digits is 92610, while the sum is 42.

The spelling of 71116537713 in words is "seventy-one billion, one hundred sixteen million, five hundred thirty-seven thousand, seven hundred thirteen".