71127373865 has 32 divisors (see below), whose sum is σ = 89575074816. Its totient is φ = 54151130880.

The previous prime is 71127373843. The next prime is 71127373901. The reversal of 71127373865 is 56837372117.

It is not a de Polignac number, because 71127373865 - 2⁸ = 71127373609 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 6360419 + ... + 6371591.

It is an arithmetic number, because the mean of its divisors is an integer number (2799221088).

Almost surely, 2^71127373865 is an apocalyptic number.

It is an amenable number.

71127373865 is a deficient number, since it is larger than the sum of its proper divisors (18447700951).

71127373865 is a wasteful number, since it uses less digits than its factorization.

71127373865 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11889.

The product of its digits is 1481760, while the sum is 50.

The spelling of 71127373865 in words is "seventy-one billion, one hundred twenty-seven million, three hundred seventy-three thousand, eight hundred sixty-five".