71041235320 has 32 divisors (see below), whose sum is σ = 174373942320. Its totient is φ = 25833176320.

The previous prime is 71041235299. The next prime is 71041235323. The reversal of 71041235320 is 2353214017.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (71041235323) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 80728237 + ... + 80729116.

Almost surely, 2^71041235320 is an apocalyptic number.

It is an amenable number.

71041235320 is an abundant number, since it is smaller than the sum of its proper divisors (103332707000).

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

71041235320 is a wasteful number, since it uses less digits than its factorization.

71041235320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 161457375 (or 161457371 counting only the distinct ones).

The product of its (nonzero) digits is 5040, while the sum is 28.

Adding to 71041235320 its reverse (2353214017), we get a palindrome (73394449337).

The spelling of 71041235320 in words is "seventy-one billion, forty-one million, two hundred thirty-five thousand, three hundred twenty".