71125020265 has 32 divisors (see below), whose sum is σ = 95537223936. Its totient is φ = 50487701760.

The previous prime is 71125020251. The next prime is 71125020269. The reversal of 71125020265 is 56202052117.

It is a de Polignac number, because none of the positive numbers 2^k-71125020265 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (71125020269) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 21460 + ... + 377770.

It is an arithmetic number, because the mean of its divisors is an integer number (2985538248).

Almost surely, 2^71125020265 is an apocalyptic number.

It is an amenable number.

71125020265 is a deficient number, since it is larger than the sum of its proper divisors (24412203671).

71125020265 is a wasteful number, since it uses less digits than its factorization.

71125020265 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 356449.

The product of its (nonzero) digits is 8400, while the sum is 31.

The spelling of 71125020265 in words is "seventy-one billion, one hundred twenty-five million, twenty thousand, two hundred sixty-five".