71315041624 has 8 divisors (see below), whose sum is σ = 133715703060. Its totient is φ = 35657520808.

The previous prime is 71315041601. The next prime is 71315041649. The reversal of 71315041624 is 42614051317.

It is a tau number, because it is divible by the number of its divisors (8).

It is a self number, because there is not a number n which added to its sum of digits gives 71315041624.

It is a congruent number.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 4457190094 + ... + 4457190109.

Almost surely, 2^71315041624 is an apocalyptic number.

It is an amenable number.

71315041624 is a deficient number, since it is larger than the sum of its proper divisors (62400661436).

71315041624 is a wasteful number, since it uses less digits than its factorization.

71315041624 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8914380209 (or 8914380205 counting only the distinct ones).

The product of its (nonzero) digits is 20160, while the sum is 34.

The spelling of 71315041624 in words is "seventy-one billion, three hundred fifteen million, forty-one thousand, six hundred twenty-four".