2275404635561 has 2 divisors, whose sum is σ = 2275404635562. Its totient is φ = 2275404635560.

The previous prime is 2275404635507. The next prime is 2275404635563. The reversal of 2275404635561 is 1655364045722.

2275404635561 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1857223840000 + 418180795561 = 1362800^2 + 646669^2 .

It is a cyclic number.

It is not a de Polignac number, because 2275404635561 - 2¹⁴ = 2275404619177 is a prime.

It is a Sophie Germain prime.

Together with 2275404635563, it forms a pair of twin primes.

It is a Chen prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (2275404635563) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1137702317780 + 1137702317781.

It is an arithmetic number, because the mean of its divisors is an integer number (1137702317781).

Almost surely, 2^{2275404635561} is an apocalyptic number.

It is an amenable number.

2275404635561 is a deficient number, since it is larger than the sum of its proper divisors (1).

2275404635561 is an equidigital number, since it uses as much as digits as its factorization.

2275404635561 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6048000, while the sum is 50.

The spelling of 2275404635561 in words is "two trillion, two hundred seventy-five billion, four hundred four million, six hundred thirty-five thousand, five hundred sixty-one".