513551213204352 has 128 divisors (see below), whose sum is σ = 1419816467376000. Its totient is φ = 164266856699904.

The previous prime is 513551213204329. The next prime is 513551213204357. The reversal of 513551213204352 is 253402312155315.

It is a tau number, because it is divible by the number of its divisors (128).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (513551213204357) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 139645902 + ... + 143276237.

It is an arithmetic number, because the mean of its divisors is an integer number (11092316151375).

Almost surely, 2^{513551213204352} is an apocalyptic number.

It is an amenable number.

513551213204352 is an abundant number, since it is smaller than the sum of its proper divisors (906265254171648).

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

513551213204352 is a wasteful number, since it uses less digits than its factorization.

513551213204352 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 282922348 (or 282922336 counting only the distinct ones).

The product of its (nonzero) digits is 540000, while the sum is 42.

Adding to 513551213204352 its reverse (253402312155315), we get a palindrome (766953525359667).

The spelling of 513551213204352 in words is "five hundred thirteen trillion, five hundred fifty-one billion, two hundred thirteen million, two hundred four thousand, three hundred fifty-two".