513432515541 has 64 divisors (see below), whose sum is σ = 784816128000. Its totient is φ = 295743782400.

The previous prime is 513432515539. The next prime is 513432515569. The reversal of 513432515541 is 145515234315.

It is not a de Polignac number, because 513432515541 - 2¹ = 513432515539 is a prime.

It is a super-2 number, since 2×513432515541² (a number of 24 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 513432515541.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (513432515641) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 13547080 + ... + 13584926.

It is an arithmetic number, because the mean of its divisors is an integer number (12262752000).

Almost surely, 2^513432515541 is an apocalyptic number.

It is an amenable number.

513432515541 is a deficient number, since it is larger than the sum of its proper divisors (271383612459).

513432515541 is a wasteful number, since it uses less digits than its factorization.

513432515541 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38130.

The product of its digits is 180000, while the sum is 39.

Adding to 513432515541 its reverse (145515234315), we get a palindrome (658947749856).

The spelling of 513432515541 in words is "five hundred thirteen billion, four hundred thirty-two million, five hundred fifteen thousand, five hundred forty-one".