71203777112 has 32 divisors (see below), whose sum is σ = 143787934080. Its totient is φ = 32860750080.

The previous prime is 71203777103. The next prime is 71203777187. The reversal of 71203777112 is 21177730217.

It is a congruent number.

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, 2385593 + ... + 2415255.

It is an arithmetic number, because the mean of its divisors is an integer number (4493372940).

Almost surely, 2^71203777112 is an apocalyptic number.

It is an amenable number.

71203777112 is an abundant number, since it is smaller than the sum of its proper divisors (72584156968).

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

71203777112 is a wasteful number, since it uses less digits than its factorization.

71203777112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52763 (or 52759 counting only the distinct ones).

The product of its (nonzero) digits is 28812, while the sum is 38.

The spelling of 71203777112 in words is "seventy-one billion, two hundred three million, seven hundred seventy-seven thousand, one hundred twelve".