71530851353 has 8 divisors (see below), whose sum is σ = 78824695488. Its totient is φ = 64492931664.

The previous prime is 71530851319. The next prime is 71530851373. The reversal of 71530851353 is 35315803517.

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 71530851353 - 2¹² = 71530847257 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 71530851353.

It is not an unprimeable number, because it can be changed into a prime (71530851373) 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, 63980525 + ... + 63981642.

It is an arithmetic number, because the mean of its divisors is an integer number (9853086936).

Almost surely, 2^71530851353 is an apocalyptic number.

It is an amenable number.

71530851353 is a deficient number, since it is larger than the sum of its proper divisors (7293844135).

71530851353 is a wasteful number, since it uses less digits than its factorization.

71530851353 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 127962223.

The product of its (nonzero) digits is 189000, while the sum is 41.

The spelling of 71530851353 in words is "seventy-one billion, five hundred thirty million, eight hundred fifty-one thousand, three hundred fifty-three".