71123648286 has 16 divisors (see below), whose sum is σ = 142250077584. Its totient is φ = 23707419264.

The previous prime is 71123648249. The next prime is 71123648287. The reversal of 71123648286 is 68284632117.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (71123648287) 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, 379510 + ... + 535046.

It is an arithmetic number, because the mean of its divisors is an integer number (8890629849).

Almost surely, 2^71123648286 is an apocalyptic number.

71123648286 is an abundant number, since it is smaller than the sum of its proper divisors (71126429298).

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

71123648286 is a wasteful number, since it uses less digits than its factorization.

71123648286 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 231755.

The product of its digits is 774144, while the sum is 48.

The spelling of 71123648286 in words is "seventy-one billion, one hundred twenty-three million, six hundred forty-eight thousand, two hundred eighty-six".