71090271255320 has 64 divisors (see below), whose sum is σ = 160682989831200. Its totient is φ = 28306640194560.

The previous prime is 71090271255319. The next prime is 71090271255323. The reversal of 71090271255320 is 2355217209017.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (71090271255323) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3398042 + ... + 12398678.

Almost surely, 2^{71090271255320} is an apocalyptic number.

It is an amenable number.

71090271255320 is an abundant number, since it is smaller than the sum of its proper divisors (89592718575880).

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

71090271255320 is a wasteful number, since it uses less digits than its factorization.

71090271255320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9001548 (or 9001544 counting only the distinct ones).

The product of its (nonzero) digits is 264600, while the sum is 44.

The spelling of 71090271255320 in words is "seventy-one trillion, ninety billion, two hundred seventy-one million, two hundred fifty-five thousand, three hundred twenty".