71752611352516 has 6 divisors (see below), whose sum is σ = 125567069866910. Its totient is φ = 35876305676256.

The previous prime is 71752611352507. The next prime is 71752611352523. The reversal of 71752611352516 is 61525311625717.

It can be written as a sum of positive squares in only one way, i.e., 60810051686400 + 10942559666116 = 7798080^2 + 3307954^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8969076419061 + ... + 8969076419068.

Almost surely, 2^{71752611352516} is an apocalyptic number.

It is an amenable number.

71752611352516 is a deficient number, since it is larger than the sum of its proper divisors (53814458514394).

71752611352516 is a wasteful number, since it uses less digits than its factorization.

71752611352516 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17938152838133 (or 17938152838131 counting only the distinct ones).

The product of its digits is 2646000, while the sum is 52.

The spelling of 71752611352516 in words is "seventy-one trillion, seven hundred fifty-two billion, six hundred eleven million, three hundred fifty-two thousand, five hundred sixteen".