4063355105561 has 2 divisors, whose sum is σ = 4063355105562. Its totient is φ = 4063355105560.

The previous prime is 4063355105533. The next prime is 4063355105573. The reversal of 4063355105561 is 1655015533604.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3453394105561 + 609961000000 = 1858331^2 + 781000^2 .

It is a cyclic number.

It is not a de Polignac number, because 4063355105561 - 2¹⁸ = 4063354843417 is a prime.

It is not a weakly prime, because it can be changed into another prime (4063355105521) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2031677552780 + 2031677552781.

It is an arithmetic number, because the mean of its divisors is an integer number (2031677552781).

Almost surely, 2^{4063355105561} is an apocalyptic number.

It is an amenable number.

4063355105561 is a deficient number, since it is larger than the sum of its proper divisors (1).

4063355105561 is an equidigital number, since it uses as much as digits as its factorization.

4063355105561 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 810000, while the sum is 44.

The spelling of 4063355105561 in words is "four trillion, sixty-three billion, three hundred fifty-five million, one hundred five thousand, five hundred sixty-one".