505213015120 has 160 divisors (see below), whose sum is σ = 1312439998464. Its totient is φ = 179300659200.

The previous prime is 505213015063. The next prime is 505213015127. The reversal of 505213015120 is 21510312505.

It is a super-2 number, since 2×505213015120² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (505213015127) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 8879884 + ... + 8936596.

Almost surely, 2^505213015120 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 505213015120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (656219999232).

505213015120 is an abundant number, since it is smaller than the sum of its proper divisors (807226983344).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

505213015120 is a wasteful number, since it uses less digits than its factorization.

505213015120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56981 (or 56975 counting only the distinct ones).

The product of its (nonzero) digits is 1500, while the sum is 25.

Adding to 505213015120 its reverse (21510312505), we get a palindrome (526723327625).

The spelling of 505213015120 in words is "five hundred five billion, two hundred thirteen million, fifteen thousand, one hundred twenty".