513525404141540 has 24 divisors (see below), whose sum is σ = 1232460969940032. Its totient is φ = 176065852848480.

The previous prime is 513525404141531. The next prime is 513525404141543. The reversal of 513525404141540 is 45141404525315.

It is a junction number, because it is equal to n+sod(n) for n = 513525404141491 and 513525404141500.

It is not an unprimeable number, because it can be changed into a prime (513525404141543) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1834019300366 + ... + 1834019300645.

It is an arithmetic number, because the mean of its divisors is an integer number (51352540414168).

Almost surely, 2^{513525404141540} is an apocalyptic number.

It is an amenable number.

513525404141540 is an abundant number, since it is smaller than the sum of its proper divisors (718935565798492).

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

513525404141540 is a wasteful number, since it uses less digits than its factorization.

513525404141540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3668038601027 (or 3668038601025 counting only the distinct ones).

The product of its (nonzero) digits is 960000, while the sum is 44.

Adding to 513525404141540 its reverse (45141404525315), we get a palindrome (558666808666855).

The spelling of 513525404141540 in words is "five hundred thirteen trillion, five hundred twenty-five billion, four hundred four million, one hundred forty-one thousand, five hundred forty".