71125897727469 has 8 divisors (see below), whose sum is σ = 102129494172832. Its totient is φ = 43769783216880.

The previous prime is 71125897727447. The next prime is 71125897727477. The reversal of 71125897727469 is 96472779852117.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 71125897727469 - 2³³ = 71117307792877 is a prime.

It is a super-2 number, since 2×71125897727469² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 71125897727469.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (71125897027469) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 911870483647 + ... + 911870483724.

It is an arithmetic number, because the mean of its divisors is an integer number (12766186771604).

Almost surely, 2^{71125897727469} is an apocalyptic number.

It is an amenable number.

71125897727469 is a deficient number, since it is larger than the sum of its proper divisors (31003596445363).

71125897727469 is a wasteful number, since it uses less digits than its factorization.

71125897727469 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1823740967387.

The product of its digits is 746807040, while the sum is 75.

The spelling of 71125897727469 in words is "seventy-one trillion, one hundred twenty-five billion, eight hundred ninety-seven million, seven hundred twenty-seven thousand, four hundred sixty-nine".