20065877411543 has 2 divisors, whose sum is σ = 20065877411544. Its totient is φ = 20065877411542.

The previous prime is 20065877411501. The next prime is 20065877411557. The reversal of 20065877411543 is 34511477856002.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 20065877411543 - 2⁸ = 20065877411287 is a prime.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20065877411243) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10032938705771 + 10032938705772.

It is an arithmetic number, because the mean of its divisors is an integer number (10032938705772).

Almost surely, 2^{20065877411543} is an apocalyptic number.

20065877411543 is a deficient number, since it is larger than the sum of its proper divisors (1).

20065877411543 is an equidigital number, since it uses as much as digits as its factorization.

20065877411543 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5644800, while the sum is 53.

The spelling of 20065877411543 in words is "twenty trillion, sixty-five billion, eight hundred seventy-seven million, four hundred eleven thousand, five hundred forty-three".