513440540115052 has 24 divisors (see below), whose sum is σ = 980462412925632. Its totient is φ = 233320695728400.

The previous prime is 513440540115029. The next prime is 513440540115071. The reversal of 513440540115052 is 250511045044315.

It is a junction number, because it is equal to n+sod(n) for n = 513440540114996 and 513440540115014.

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, 1534029774 + ... + 1534364437.

It is an arithmetic number, because the mean of its divisors is an integer number (40852600538568).

Almost surely, 2^{513440540115052} is an apocalyptic number.

It is an amenable number.

513440540115052 is a deficient number, since it is larger than the sum of its proper divisors (467021872810580).

513440540115052 is a wasteful number, since it uses less digits than its factorization.

513440540115052 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3068398029 (or 3068398027 counting only the distinct ones).

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

Adding to 513440540115052 its reverse (250511045044315), we get a palindrome (763951585159367).

The spelling of 513440540115052 in words is "five hundred thirteen trillion, four hundred forty billion, five hundred forty million, one hundred fifteen thousand, fifty-two".