71353015063 has 4 divisors (see below), whose sum is σ = 77839652808. Its totient is φ = 64866377320.

The previous prime is 71353015061. The next prime is 71353015073. The reversal of 71353015063 is 36051035317.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 36051035317 = 11 ⋅3277366847.

It is a cyclic number.

It is not a de Polignac number, because 71353015063 - 2¹ = 71353015061 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (71353015061) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 3243318856 + ... + 3243318877.

It is an arithmetic number, because the mean of its divisors is an integer number (19459913202).

Almost surely, 2^71353015063 is an apocalyptic number.

71353015063 is a deficient number, since it is larger than the sum of its proper divisors (6486637745).

71353015063 is a wasteful number, since it uses less digits than its factorization.

71353015063 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6486637744.

The product of its (nonzero) digits is 28350, while the sum is 34.

The spelling of 71353015063 in words is "seventy-one billion, three hundred fifty-three million, fifteen thousand, sixty-three".