71125425238 has 16 divisors (see below), whose sum is σ = 123995900160. Its totient is φ = 29965675176.

The previous prime is 71125425221. The next prime is 71125425257. The reversal of 71125425238 is 83252452117.

It is a super-2 number, since 2×71125425238² (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 71125425238.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 43053306 + ... + 43054957.

It is an arithmetic number, because the mean of its divisors is an integer number (7749743760).

Almost surely, 2^71125425238 is an apocalyptic number.

71125425238 is a deficient number, since it is larger than the sum of its proper divisors (52870474922).

71125425238 is a wasteful number, since it uses less digits than its factorization.

71125425238 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 86108331.

The product of its digits is 134400, while the sum is 40.

The spelling of 71125425238 in words is "seventy-one billion, one hundred twenty-five million, four hundred twenty-five thousand, two hundred thirty-eight".