2061571120943 has 2 divisors, whose sum is σ = 2061571120944. Its totient is φ = 2061571120942.

The previous prime is 2061571120897. The next prime is 2061571120949. The reversal of 2061571120943 is 3490211751602.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2061571120943 - 2¹⁴ = 2061571104559 is a prime.

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 2061571120943.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2061571120949) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1030785560471 + 1030785560472.

It is an arithmetic number, because the mean of its divisors is an integer number (1030785560472).

Almost surely, 2^{2061571120943} is an apocalyptic number.

2061571120943 is a deficient number, since it is larger than the sum of its proper divisors (1).

2061571120943 is an equidigital number, since it uses as much as digits as its factorization.

2061571120943 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 90720, while the sum is 41.

The spelling of 2061571120943 in words is "two trillion, sixty-one billion, five hundred seventy-one million, one hundred twenty thousand, nine hundred forty-three".