513505504541 has 16 divisors (see below), whose sum is σ = 528609328128. Its totient is φ = 498526396800.

The previous prime is 513505504531. The next prime is 513505504543. The reversal of 513505504541 is 145405505315.

It is a cyclic number.

It is not a de Polignac number, because 513505504541 - 2²² = 513501310237 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 513505504495 and 513505504504.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (513505504543) 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, 24776315 + ... + 24797031.

It is an arithmetic number, because the mean of its divisors is an integer number (33038083008).

Almost surely, 2^513505504541 is an apocalyptic number.

It is an amenable number.

513505504541 is a deficient number, since it is larger than the sum of its proper divisors (15103823587).

513505504541 is a wasteful number, since it uses less digits than its factorization.

513505504541 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23692.

The product of its (nonzero) digits is 150000, while the sum is 38.

The spelling of 513505504541 in words is "five hundred thirteen billion, five hundred five million, five hundred four thousand, five hundred forty-one".