71058820979380 has 192 divisors, whose sum is σ = 164770941484800. Its totient is φ = 25580968058880.

The previous prime is 71058820979371. The next prime is 71058820979407. The reversal of 71058820979380 is 8397902885017.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1417494156 + ... + 1417544284.

It is an arithmetic number, because the mean of its divisors is an integer number (858181986900).

Almost surely, 2^{71058820979380} 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 71058820979380, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (82385470742400).

71058820979380 is an abundant number, since it is smaller than the sum of its proper divisors (93712120505420).

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

71058820979380 is a wasteful number, since it uses less digits than its factorization.

71058820979380 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50994 (or 50992 counting only the distinct ones).

The product of its (nonzero) digits is 60963840, while the sum is 67.

The spelling of 71058820979380 in words is "seventy-one trillion, fifty-eight billion, eight hundred twenty million, nine hundred seventy-nine thousand, three hundred eighty".