71373811100 has 72 divisors (see below), whose sum is σ = 160653884160. Its totient is φ = 27490740480.

The previous prime is 71373811081. The next prime is 71373811123. The reversal of 71373811100 is 111837317.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1048709 + ... + 1114691.

Almost surely, 2^71373811100 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 71373811100, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (80326942080).

71373811100 is an abundant number, since it is smaller than the sum of its proper divisors (89280073060).

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

71373811100 is a wasteful number, since it uses less digits than its factorization.

71373811100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66399 (or 66392 counting only the distinct ones).

The product of its (nonzero) digits is 3528, while the sum is 32.

The spelling of 71373811100 in words is "seventy-one billion, three hundred seventy-three million, eight hundred eleven thousand, one hundred".