71532845205 has 16 divisors (see below), whose sum is σ = 114456996864. Its totient is φ = 38149369280.

The previous prime is 71532845203. The next prime is 71532845207. The reversal of 71532845205 is 50254823517.

It is an interprime number because it is at equal distance from previous prime (71532845203) and next prime (71532845207).

It is not a de Polignac number, because 71532845205 - 2¹ = 71532845203 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (71532845201) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 386527 + ... + 540803.

It is an arithmetic number, because the mean of its divisors is an integer number (7153562304).

Almost surely, 2^71532845205 is an apocalyptic number.

It is an amenable number.

71532845205 is a deficient number, since it is larger than the sum of its proper divisors (42924151659).

71532845205 is a wasteful number, since it uses less digits than its factorization.

71532845205 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 185196.

The product of its (nonzero) digits is 336000, while the sum is 42.

The spelling of 71532845205 in words is "seventy-one billion, five hundred thirty-two million, eight hundred forty-five thousand, two hundred five".