2272760513561 has 2 divisors, whose sum is σ = 2272760513562. Its totient is φ = 2272760513560.

The previous prime is 2272760513533. The next prime is 2272760513579. The reversal of 2272760513561 is 1653150672722.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1223070105625 + 1049690407936 = 1105925^2 + 1024544^2 .

It is a cyclic number.

It is not a de Polignac number, because 2272760513561 - 2¹⁰ = 2272760512537 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (2272760513531) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1136380256780 + 1136380256781.

It is an arithmetic number, because the mean of its divisors is an integer number (1136380256781).

Almost surely, 2^{2272760513561} is an apocalyptic number.

It is an amenable number.

2272760513561 is a deficient number, since it is larger than the sum of its proper divisors (1).

2272760513561 is an equidigital number, since it uses as much as digits as its factorization.

2272760513561 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1058400, while the sum is 47.

The spelling of 2272760513561 in words is "two trillion, two hundred seventy-two billion, seven hundred sixty million, five hundred thirteen thousand, five hundred sixty-one".