71312832105 has 16 divisors (see below), whose sum is σ = 114110942784. Its totient is φ = 38030040000.

The previous prime is 71312832067. The next prime is 71312832113. The reversal of 71312832105 is 50123821317.

It is a happy number.

It is not a de Polignac number, because 71312832105 - 2¹² = 71312828009 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 42514 + ... + 380043.

It is an arithmetic number, because the mean of its divisors is an integer number (7131933924).

Almost surely, 2^71312832105 is an apocalyptic number.

It is an amenable number.

71312832105 is a deficient number, since it is larger than the sum of its proper divisors (42798110679).

71312832105 is a wasteful number, since it uses less digits than its factorization.

71312832105 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 433816.

The product of its (nonzero) digits is 10080, while the sum is 33.

The spelling of 71312832105 in words is "seventy-one billion, three hundred twelve million, eight hundred thirty-two thousand, one hundred five".