71061395975 has 12 divisors (see below), whose sum is σ = 88122243000. Its totient is φ = 56845173600.

The previous prime is 71061395971. The next prime is 71061395983. The reversal of 71061395975 is 57959316017.

It is not a de Polignac number, because 71061395975 - 2² = 71061395971 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (71061395971) by changing a digit.

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 in 11 ways as a sum of consecutive naturals, for example, 300776 + ... + 482274.

It is an arithmetic number, because the mean of its divisors is an integer number (7343520250).

Almost surely, 2^71061395975 is an apocalyptic number.

71061395975 is a deficient number, since it is larger than the sum of its proper divisors (17060847025).

71061395975 is a wasteful number, since it uses less digits than its factorization.

71061395975 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 197170 (or 197165 counting only the distinct ones).

The product of its (nonzero) digits is 1786050, while the sum is 53.

The spelling of 71061395975 in words is "seventy-one billion, sixty-one million, three hundred ninety-five thousand, nine hundred seventy-five".