56071203750571 has 2 divisors, whose sum is σ = 56071203750572. Its totient is φ = 56071203750570.

The previous prime is 56071203750547. The next prime is 56071203750589. The reversal of 56071203750571 is 17505730217065.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 56071203750571 - 2²¹ = 56071201653419 is a prime.

It is not a weakly prime, because it can be changed into another prime (56071203751571) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28035601875285 + 28035601875286.

It is an arithmetic number, because the mean of its divisors is an integer number (28035601875286).

Almost surely, 2^{56071203750571} is an apocalyptic number.

56071203750571 is a deficient number, since it is larger than the sum of its proper divisors (1).

56071203750571 is an equidigital number, since it uses as much as digits as its factorization.

56071203750571 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1543500, while the sum is 49.

The spelling of 56071203750571 in words is "fifty-six trillion, seventy-one billion, two hundred three million, seven hundred fifty thousand, five hundred seventy-one".