513143042541 has 32 divisors (see below), whose sum is σ = 717659136000. Its totient is φ = 325519020288.

The previous prime is 513143042537. The next prime is 513143042557. The reversal of 513143042541 is 145240341315.

It is not a de Polignac number, because 513143042541 - 2² = 513143042537 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (513143042521) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 16624000 + ... + 16654838.

It is an arithmetic number, because the mean of its divisors is an integer number (22426848000).

Almost surely, 2^513143042541 is an apocalyptic number.

It is an amenable number.

513143042541 is a deficient number, since it is larger than the sum of its proper divisors (204516093459).

513143042541 is a wasteful number, since it uses less digits than its factorization.

513143042541 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32113.

The product of its (nonzero) digits is 28800, while the sum is 33.

Adding to 513143042541 its reverse (145240341315), we get a palindrome (658383383856).

The spelling of 513143042541 in words is "five hundred thirteen billion, one hundred forty-three million, forty-two thousand, five hundred forty-one".