505505555041 has 2 divisors, whose sum is σ = 505505555042. Its totient is φ = 505505555040.

The previous prime is 505505554997. The next prime is 505505555053. The reversal of 505505555041 is 140555505505.

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., 495559681600 + 9945873441 = 703960^2 + 99729^2 .

It is a cyclic number.

It is not a de Polignac number, because 505505555041 - 2²¹ = 505503457889 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 505505554985 and 505505555003.

It is not a weakly prime, because it can be changed into another prime (505505555081) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 252752777520 + 252752777521.

It is an arithmetic number, because the mean of its divisors is an integer number (252752777521).

Almost surely, 2^505505555041 is an apocalyptic number.

It is an amenable number.

505505555041 is a deficient number, since it is larger than the sum of its proper divisors (1).

505505555041 is an equidigital number, since it uses as much as digits as its factorization.

505505555041 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 312500, while the sum is 40.

The spelling of 505505555041 in words is "five hundred five billion, five hundred five million, five hundred fifty-five thousand, forty-one".