71055384036 has 96 divisors (see below), whose sum is σ = 204458983680. Its totient is φ = 18702918144.

The previous prime is 71055384031. The next prime is 71055384073. The reversal of 71055384036 is 63048355017.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is not an unprimeable number, because it can be changed into a prime (71055384031) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 491910 + ... + 619746.

It is an arithmetic number, because the mean of its divisors is an integer number (2129781080).

Almost surely, 2^71055384036 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 71055384036, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (102229491840).

71055384036 is an abundant number, since it is smaller than the sum of its proper divisors (133403599644).

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

71055384036 is a wasteful number, since it uses less digits than its factorization.

71055384036 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 128373 (or 128371 counting only the distinct ones).

The product of its (nonzero) digits is 302400, while the sum is 42.

The spelling of 71055384036 in words is "seventy-one billion, fifty-five million, three hundred eighty-four thousand, thirty-six".