505363040303 has 16 divisors (see below), whose sum is σ = 553540936704. Its totient is φ = 457561107360.

The previous prime is 505363040291. The next prime is 505363040327. The reversal of 505363040303 is 303040363505.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-505363040303 is a prime.

It is a super-3 number, since 3×505363040303³ (a number of 36 digits) contains 333 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 505363040303.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (505363040503) 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, 2973326 + ... + 3138692.

It is an arithmetic number, because the mean of its divisors is an integer number (34596308544).

Almost surely, 2^505363040303 is an apocalyptic number.

505363040303 is a deficient number, since it is larger than the sum of its proper divisors (48177896401).

505363040303 is a wasteful number, since it uses less digits than its factorization.

505363040303 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 166502.

The product of its (nonzero) digits is 48600, while the sum is 32.

The spelling of 505363040303 in words is "five hundred five billion, three hundred sixty-three million, forty thousand, three hundred three".