6206615774561 has 2 divisors, whose sum is σ = 6206615774562. Its totient is φ = 6206615774560.

The previous prime is 6206615774543. The next prime is 6206615774599. The reversal of 6206615774561 is 1654775166026.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 5890906640161 + 315709134400 = 2427119^2 + 561880^2 .

It is a cyclic number.

It is not a de Polignac number, because 6206615774561 - 2²⁶ = 6206548665697 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 6206615774497 and 6206615774506.

It is not a weakly prime, because it can be changed into another prime (6206615774531) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3103307887280 + 3103307887281.

It is an arithmetic number, because the mean of its divisors is an integer number (3103307887281).

Almost surely, 2^{6206615774561} is an apocalyptic number.

It is an amenable number.

6206615774561 is a deficient number, since it is larger than the sum of its proper divisors (1).

6206615774561 is an equidigital number, since it uses as much as digits as its factorization.

6206615774561 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 12700800, while the sum is 56.

The spelling of 6206615774561 in words is "six trillion, two hundred six billion, six hundred fifteen million, seven hundred seventy-four thousand, five hundred sixty-one".