71432540213512 has 16 divisors (see below), whose sum is σ = 136206114814800. Its totient is φ = 35110909596240.

The previous prime is 71432540213479. The next prime is 71432540213599. The reversal of 71432540213512 is 21531204523417.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 75670063314 + ... + 75670064257.

It is an arithmetic number, because the mean of its divisors is an integer number (8512882175925).

Almost surely, 2^{71432540213512} is an apocalyptic number.

It is an amenable number.

71432540213512 is a deficient number, since it is larger than the sum of its proper divisors (64773574601288).

71432540213512 is a wasteful number, since it uses less digits than its factorization.

71432540213512 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 151340127636 (or 151340127632 counting only the distinct ones).

The product of its (nonzero) digits is 201600, while the sum is 40.

Adding to 71432540213512 its reverse (21531204523417), we get a palindrome (92963744736929).

The spelling of 71432540213512 in words is "seventy-one trillion, four hundred thirty-two billion, five hundred forty million, two hundred thirteen thousand, five hundred twelve".