505130511320 has 16 divisors (see below), whose sum is σ = 1136543650560. Its totient is φ = 202052204512.

The previous prime is 505130511317. The next prime is 505130511323. The reversal of 505130511320 is 23115031505.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (505130511317) and next prime (505130511323).

It is a self number, because there is not a number n which added to its sum of digits gives 505130511320.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (505130511323) 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, 6314131352 + ... + 6314131431.

It is an arithmetic number, because the mean of its divisors is an integer number (71033978160).

Almost surely, 2^505130511320 is an apocalyptic number.

It is an amenable number.

505130511320 is an abundant number, since it is smaller than the sum of its proper divisors (631413139240).

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

505130511320 is a wasteful number, since it uses less digits than its factorization.

505130511320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12628262794 (or 12628262790 counting only the distinct ones).

The product of its (nonzero) digits is 2250, while the sum is 26.

Adding to 505130511320 its reverse (23115031505), we get a palindrome (528245542825).

The spelling of 505130511320 in words is "five hundred five billion, one hundred thirty million, five hundred eleven thousand, three hundred twenty".