505005045955 has 16 divisors (see below), whose sum is σ = 638843438880. Its totient is φ = 382175269632.

The previous prime is 505005045931. The next prime is 505005045959. The reversal of 505005045955 is 559540500505.

It is a cyclic number.

It is not a de Polignac number, because 505005045955 - 2¹⁵ = 505005013187 is a prime.

It is not an unprimeable number, because it can be changed into a prime (505005045959) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3861714 + ... + 3990343.

It is an arithmetic number, because the mean of its divisors is an integer number (39927714930).

Almost surely, 2^505005045955 is an apocalyptic number.

505005045955 is a deficient number, since it is larger than the sum of its proper divisors (133838392925).

505005045955 is a wasteful number, since it uses less digits than its factorization.

505005045955 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7852758.

The product of its (nonzero) digits is 562500, while the sum is 43.

The spelling of 505005045955 in words is "five hundred five billion, five million, forty-five thousand, nine hundred fifty-five".