71131056751016 has 32 divisors (see below), whose sum is σ = 135864541620000. Its totient is φ = 34904459004096.

The previous prime is 71131056750997. The next prime is 71131056751063. The reversal of 71131056751016 is 61015765013117.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 246523466 + ... + 246811833.

It is an arithmetic number, because the mean of its divisors is an integer number (4245766925625).

Almost surely, 2^{71131056751016} is an apocalyptic number.

It is an amenable number.

71131056751016 is a deficient number, since it is larger than the sum of its proper divisors (64733484868984).

71131056751016 is a wasteful number, since it uses less digits than its factorization.

71131056751016 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 493335641 (or 493335637 counting only the distinct ones).

The product of its (nonzero) digits is 132300, while the sum is 44.

The spelling of 71131056751016 in words is "seventy-one trillion, one hundred thirty-one billion, fifty-six million, seven hundred fifty-one thousand, sixteen".