505363121013 has 8 divisors (see below), whose sum is σ = 673828502400. Its totient is φ = 336903243488.

The previous prime is 505363120931. The next prime is 505363121023. The reversal of 505363121013 is 310121363505.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 505363121013 - 2²⁹ = 504826250101 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (505363121023) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1156728 + ... + 1532561.

It is an arithmetic number, because the mean of its divisors is an integer number (84228562800).

Almost surely, 2^505363121013 is an apocalyptic number.

It is an amenable number.

505363121013 is a deficient number, since it is larger than the sum of its proper divisors (168465381387).

505363121013 is a wasteful number, since it uses less digits than its factorization.

505363121013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2751931.

The product of its (nonzero) digits is 8100, while the sum is 30.

Adding to 505363121013 its reverse (310121363505), we get a palindrome (815484484518).

The spelling of 505363121013 in words is "five hundred five billion, three hundred sixty-three million, one hundred twenty-one thousand, thirteen".