513561560611 has 8 divisors (see below), whose sum is σ = 560349427248. Its totient is φ = 466790436000.

The previous prime is 513561560593. The next prime is 513561560669. The reversal of 513561560611 is 116065165315.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 513561560611 - 2¹⁷ = 513561429539 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (513561560711) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4121320 + ... + 4244101.

It is an arithmetic number, because the mean of its divisors is an integer number (70043678406).

Almost surely, 2^513561560611 is an apocalyptic number.

513561560611 is a deficient number, since it is larger than the sum of its proper divisors (46787866637).

513561560611 is a wasteful number, since it uses less digits than its factorization.

513561560611 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8371013.

The product of its (nonzero) digits is 81000, while the sum is 40.

The spelling of 513561560611 in words is "five hundred thirteen billion, five hundred sixty-one million, five hundred sixty thousand, six hundred eleven".