71205260243 has 8 divisors (see below), whose sum is σ = 76751749200. Its totient is φ = 65668651488.

The previous prime is 71205260237. The next prime is 71205260303. The reversal of 71205260243 is 34206250217.

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 71205260243 - 2¹⁶ = 71205194707 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (71205200243) 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, 2455073 + ... + 2483906.

It is an arithmetic number, because the mean of its divisors is an integer number (9593968650).

Almost surely, 2^71205260243 is an apocalyptic number.

71205260243 is a deficient number, since it is larger than the sum of its proper divisors (5546488957).

71205260243 is a wasteful number, since it uses less digits than its factorization.

71205260243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4940101.

The product of its (nonzero) digits is 20160, while the sum is 32.

The spelling of 71205260243 in words is "seventy-one billion, two hundred five million, two hundred sixty thousand, two hundred forty-three".