505045421131252 has 12 divisors (see below), whose sum is σ = 922256855978976. Its totient is φ = 241543462280120.

The previous prime is 505045421131219. The next prime is 505045421131259. The reversal of 505045421131252 is 252131124540505.

It is a super-2 number, since 2×505045421131252² (a number of 30 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (505045421131259) 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, 2744812071274 + ... + 2744812071457.

It is an arithmetic number, because the mean of its divisors is an integer number (76854737998248).

Almost surely, 2^{505045421131252} is an apocalyptic number.

It is an amenable number.

505045421131252 is a deficient number, since it is larger than the sum of its proper divisors (417211434847724).

505045421131252 is a wasteful number, since it uses less digits than its factorization.

505045421131252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5489624142758 (or 5489624142756 counting only the distinct ones).

The product of its (nonzero) digits is 240000, while the sum is 40.

Adding to 505045421131252 its reverse (252131124540505), we get a palindrome (757176545671757).

The spelling of 505045421131252 in words is "five hundred five trillion, forty-five billion, four hundred twenty-one million, one hundred thirty-one thousand, two hundred fifty-two".