71002881799559 has 8 divisors (see below), whose sum is σ = 71043473800992. Its totient is φ = 70962291781920.

The previous prime is 71002881799517. The next prime is 71002881799621. The reversal of 71002881799559 is 95599718820017.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 71002881799559 - 2¹⁶ = 71002881734023 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 71002881799492 and 71002881799501.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (71002881799859) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 74327237 + ... + 75276449.

It is an arithmetic number, because the mean of its divisors is an integer number (8880434225124).

Almost surely, 2^{71002881799559} is an apocalyptic number.

71002881799559 is a deficient number, since it is larger than the sum of its proper divisors (40592001433).

71002881799559 is a wasteful number, since it uses less digits than its factorization.

71002881799559 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 991897.

The product of its (nonzero) digits is 114307200, while the sum is 71.

The spelling of 71002881799559 in words is "seventy-one trillion, two billion, eight hundred eighty-one million, seven hundred ninety-nine thousand, five hundred fifty-nine".