71230550101172 has 24 divisors (see below), whose sum is σ = 155412109312320. Its totient is φ = 27752162376960.

The previous prime is 71230550101157. The next prime is 71230550101177. The reversal of 71230550101172 is 27110105503217.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (71230550101177) 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, 115634009597 + ... + 115634010212.

It is an arithmetic number, because the mean of its divisors is an integer number (6475504554680).

Almost surely, 2^{71230550101172} is an apocalyptic number.

It is an amenable number.

71230550101172 is an abundant number, since it is smaller than the sum of its proper divisors (84181559211148).

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

71230550101172 is a wasteful number, since it uses less digits than its factorization.

71230550101172 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 231268019831 (or 231268019829 counting only the distinct ones).

The product of its (nonzero) digits is 14700, while the sum is 35.

Adding to 71230550101172 its reverse (27110105503217), we get a palindrome (98340655604389).

The spelling of 71230550101172 in words is "seventy-one trillion, two hundred thirty billion, five hundred fifty million, one hundred one thousand, one hundred seventy-two".