71443312108 has 24 divisors (see below), whose sum is σ = 143047763712. Its totient is φ = 30584032464.

The previous prime is 71443312079. The next prime is 71443312147. The reversal of 71443312108 is 80121334417.

It is a super-2 number, since 2×71443312108² (a number of 23 digits) contains 22 as substring.

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, 1413466 + ... + 1463137.

It is an arithmetic number, because the mean of its divisors is an integer number (5960323488).

Almost surely, 2^71443312108 is an apocalyptic number.

It is an amenable number.

71443312108 is an abundant number, since it is smaller than the sum of its proper divisors (71604451604).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

71443312108 is a wasteful number, since it uses less digits than its factorization.

71443312108 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2877501 (or 2877499 counting only the distinct ones).

The product of its (nonzero) digits is 16128, while the sum is 34.

The spelling of 71443312108 in words is "seventy-one billion, four hundred forty-three million, three hundred twelve thousand, one hundred eight".