505045959601 has 4 divisors (see below), whose sum is σ = 508070187072. Its totient is φ = 502021732132.

The previous prime is 505045959581. The next prime is 505045959631. The reversal of 505045959601 is 106959540505.

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 a de Polignac number, because none of the positive numbers 2^k-505045959601 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (505045959631) 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, 1512113485 + ... + 1512113818.

It is an arithmetic number, because the mean of its divisors is an integer number (127017546768).

Almost surely, 2^505045959601 is an apocalyptic number.

It is an amenable number.

505045959601 is a deficient number, since it is larger than the sum of its proper divisors (3024227471).

505045959601 is a wasteful number, since it uses less digits than its factorization.

505045959601 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3024227470.

The product of its (nonzero) digits is 1215000, while the sum is 49.

The spelling of 505045959601 in words is "five hundred five billion, forty-five million, nine hundred fifty-nine thousand, six hundred one".