71055596831 has 2 divisors, whose sum is σ = 71055596832. Its totient is φ = 71055596830.

The previous prime is 71055596809. The next prime is 71055596923. The reversal of 71055596831 is 13869555017.

It is a weak prime.

It is an emirp because it is prime and its reverse (13869555017) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 71055596831 - 2¹⁴ = 71055580447 is a prime.

It is a super-2 number, since 2×71055596831² (a number of 23 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is a self number, because there is not a number n which added to its sum of digits gives 71055596831.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (71055592831) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35527798415 + 35527798416.

It is an arithmetic number, because the mean of its divisors is an integer number (35527798416).

Almost surely, 2^71055596831 is an apocalyptic number.

71055596831 is a deficient number, since it is larger than the sum of its proper divisors (1).

71055596831 is an equidigital number, since it uses as much as digits as its factorization.

71055596831 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1134000, while the sum is 50.

The spelling of 71055596831 in words is "seventy-one billion, fifty-five million, five hundred ninety-six thousand, eight hundred thirty-one".