71395998126 has 16 divisors (see below), whose sum is σ = 142809122304. Its totient is φ = 23795811704.

The previous prime is 71395998097. The next prime is 71395998131. The reversal of 71395998126 is 62189959317.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 71395998126.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 659070 + ... + 759713.

It is an arithmetic number, because the mean of its divisors is an integer number (8925570144).

Almost surely, 2^71395998126 is an apocalyptic number.

71395998126 is an abundant number, since it is smaller than the sum of its proper divisors (71413124178).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

71395998126 is a wasteful number, since it uses less digits than its factorization.

71395998126 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1427175.

The product of its digits is 7348320, while the sum is 60.

The spelling of 71395998126 in words is "seventy-one billion, three hundred ninety-five million, nine hundred ninety-eight thousand, one hundred twenty-six".