513105005040312 has 32 divisors (see below), whose sum is σ = 1284049135040400. Its totient is φ = 170863452021504.

The previous prime is 513105005040281. The next prime is 513105005040361. The reversal of 513105005040312 is 213040500501315.

It is a self number, because there is not a number n which added to its sum of digits gives 513105005040312.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10721829237 + ... + 10721877092.

Almost surely, 2^{513105005040312} is an apocalyptic number.

It is an amenable number.

513105005040312 is an abundant number, since it is smaller than the sum of its proper divisors (770944130000088).

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

513105005040312 is a wasteful number, since it uses less digits than its factorization.

513105005040312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21443707335 (or 21443707331 counting only the distinct ones).

The product of its (nonzero) digits is 9000, while the sum is 30.

Adding to 513105005040312 its reverse (213040500501315), we get a palindrome (726145505541627).

The spelling of 513105005040312 in words is "five hundred thirteen trillion, one hundred five billion, five million, forty thousand, three hundred twelve".