505055055541 has 4 divisors (see below), whose sum is σ = 505077161184. Its totient is φ = 505032949900.

The previous prime is 505055055539. The next prime is 505055055611. The reversal of 505055055541 is 145550550505.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 505055055541 - 2¹ = 505055055539 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 505055055494 and 505055055503.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (505055055341) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11018515 + ... + 11064256.

It is an arithmetic number, because the mean of its divisors is an integer number (126269290296).

Almost surely, 2^505055055541 is an apocalyptic number.

It is an amenable number.

505055055541 is a deficient number, since it is larger than the sum of its proper divisors (22105643).

505055055541 is a wasteful number, since it uses less digits than its factorization.

505055055541 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22105642.

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

The spelling of 505055055541 in words is "five hundred five billion, fifty-five million, fifty-five thousand, five hundred forty-one".