513530440411 has 4 divisors (see below), whose sum is σ = 513574430032. Its totient is φ = 513486450792.

The previous prime is 513530440361. The next prime is 513530440421. The reversal of 513530440411 is 114044035315.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 513530440411 - 2¹⁷ = 513530309339 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (513530440421) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21977295 + ... + 22000648.

It is an arithmetic number, because the mean of its divisors is an integer number (128393607508).

Almost surely, 2^513530440411 is an apocalyptic number.

513530440411 is a deficient number, since it is larger than the sum of its proper divisors (43989621).

513530440411 is a wasteful number, since it uses less digits than its factorization.

513530440411 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43989620.

The product of its (nonzero) digits is 14400, while the sum is 31.

Adding to 513530440411 its reverse (114044035315), we get a palindrome (627574475726).

It can be divided in two parts, 5135304 and 40411, that added together give a palindrome (5175715).

The spelling of 513530440411 in words is "five hundred thirteen billion, five hundred thirty million, four hundred forty thousand, four hundred eleven".