505335502231121 has 4 divisors (see below), whose sum is σ = 505336553395200. Its totient is φ = 505334451067044.

The previous prime is 505335502231061. The next prime is 505335502231123. The reversal of 505335502231121 is 121132205533505.

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-505335502231121 is a prime.

It is a super-3 number, since 3×505335502231121³ (a number of 45 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (505335502231123) 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, 524860601 + ... + 525822518.

It is an arithmetic number, because the mean of its divisors is an integer number (126334138348800).

Almost surely, 2^{505335502231121} is an apocalyptic number.

It is an amenable number.

505335502231121 is a deficient number, since it is larger than the sum of its proper divisors (1051164079).

505335502231121 is a wasteful number, since it uses less digits than its factorization.

505335502231121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1051164078.

The product of its (nonzero) digits is 135000, while the sum is 38.

Adding to 505335502231121 its reverse (121132205533505), we get a palindrome (626467707764626).

The spelling of 505335502231121 in words is "five hundred five trillion, three hundred thirty-five billion, five hundred two million, two hundred thirty-one thousand, one hundred twenty-one".