515231041153 has 4 divisors (see below), whose sum is σ = 515236800960. Its totient is φ = 515225281348.

The previous prime is 515231041139. The next prime is 515231041159. The reversal of 515231041153 is 351140132515.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-515231041153 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (515231041159) 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, 2743573 + ... + 2925346.

It is an arithmetic number, because the mean of its divisors is an integer number (128809200240).

Almost surely, 2^515231041153 is an apocalyptic number.

It is an amenable number.

515231041153 is a deficient number, since it is larger than the sum of its proper divisors (5759807).

515231041153 is an equidigital number, since it uses as much as digits as its factorization.

515231041153 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5759806.

The product of its (nonzero) digits is 9000, while the sum is 31.

Adding to 515231041153 its reverse (351140132515), we get a palindrome (866371173668).

The spelling of 515231041153 in words is "five hundred fifteen billion, two hundred thirty-one million, forty-one thousand, one hundred fifty-three".