71254309160 has 32 divisors (see below), whose sum is σ = 161398197000. Its totient is φ = 28310434560.

The previous prime is 71254309111. The next prime is 71254309183. The reversal of 71254309160 is 6190345217.

It can be written as a sum of positive squares in 4 ways, for example, as 44010165796 + 27244143364 = 209786^2 + 165058^2 .

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, 5971751 + ... + 5983670.

Almost surely, 2^71254309160 is an apocalyptic number.

It is an amenable number.

71254309160 is an abundant number, since it is smaller than the sum of its proper divisors (90143887840).

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

71254309160 is a wasteful number, since it uses less digits than its factorization.

71254309160 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11955581 (or 11955577 counting only the distinct ones).

The product of its (nonzero) digits is 45360, while the sum is 38.

The spelling of 71254309160 in words is "seventy-one billion, two hundred fifty-four million, three hundred nine thousand, one hundred sixty".