71059331808 has 192 divisors, whose sum is σ = 219137184000. Its totient is φ = 22339763712.

The previous prime is 71059331803. The next prime is 71059331839. The reversal of 71059331808 is 80813395017.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (71059331801) 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, 3716898 + ... + 3735966.

It is an arithmetic number, because the mean of its divisors is an integer number (1141339500).

Almost surely, 2^71059331808 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 71059331808, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (109568592000).

71059331808 is an abundant number, since it is smaller than the sum of its proper divisors (148077852192).

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

71059331808 is a wasteful number, since it uses less digits than its factorization.

71059331808 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19334 (or 19320 counting only the distinct ones).

The product of its (nonzero) digits is 181440, while the sum is 45.

The spelling of 71059331808 in words is "seventy-one billion, fifty-nine million, three hundred thirty-one thousand, eight hundred eight".