7265202676561 has 2 divisors, whose sum is σ = 7265202676562. Its totient is φ = 7265202676560.

The previous prime is 7265202676549. The next prime is 7265202676573. The reversal of 7265202676561 is 1656762025627.

It is a balanced prime because it is at equal distance from previous prime (7265202676549) and next prime (7265202676573).

It can be written as a sum of positive squares in only one way, i.e., 6906094923025 + 359107753536 = 2627945^2 + 599256^2 .

It is a cyclic number.

It is not a de Polignac number, because 7265202676561 - 2²¹ = 7265200579409 is a prime.

It is not a weakly prime, because it can be changed into another prime (7265202676261) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3632601338280 + 3632601338281.

It is an arithmetic number, because the mean of its divisors is an integer number (3632601338281).

Almost surely, 2^{7265202676561} is an apocalyptic number.

It is an amenable number.

7265202676561 is a deficient number, since it is larger than the sum of its proper divisors (1).

7265202676561 is an equidigital number, since it uses as much as digits as its factorization.

7265202676561 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 55.

The spelling of 7265202676561 in words is "seven trillion, two hundred sixty-five billion, two hundred two million, six hundred seventy-six thousand, five hundred sixty-one".