71342256612135 has 24 divisors (see below), whose sum is σ = 120471577933680. Its totient is φ = 36046613864448.

The previous prime is 71342256612083. The next prime is 71342256612163. The reversal of 71342256612135 is 53121665224317.

It is not a de Polignac number, because 71342256612135 - 2¹² = 71342256608039 is a prime.

It is a congruent number.

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 23 ways as a sum of consecutive naturals, for example, 6587460570 + ... + 6587471399.

It is an arithmetic number, because the mean of its divisors is an integer number (5019649080570).

Almost surely, 2^{71342256612135} is an apocalyptic number.

71342256612135 is a deficient number, since it is larger than the sum of its proper divisors (49129321321545).

71342256612135 is a wasteful number, since it uses less digits than its factorization.

71342256612135 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13174932015 (or 13174931996 counting only the distinct ones).

The product of its digits is 1814400, while the sum is 48.

The spelling of 71342256612135 in words is "seventy-one trillion, three hundred forty-two billion, two hundred fifty-six million, six hundred twelve thousand, one hundred thirty-five".