506315561747153 has 4 divisors (see below), whose sum is σ = 511535309806500. Its totient is φ = 501095813687808.

The previous prime is 506315561747147. The next prime is 506315561747189. The reversal of 506315561747153 is 351747165513605.

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

It can be written as a sum of positive squares in 2 ways, for example, as 325497598568704 + 180817963178449 = 18041552^2 + 13446857^2 .

It is a cyclic number.

It is not a de Polignac number, because 506315561747153 - 2²⁸ = 506315293311697 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 506315561747092 and 506315561747101.

It is not an unprimeable number, because it can be changed into a prime (506315561747143) 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, 2609874029528 + ... + 2609874029721.

It is an arithmetic number, because the mean of its divisors is an integer number (127883827451625).

Almost surely, 2^{506315561747153} is an apocalyptic number.

It is an amenable number.

506315561747153 is a deficient number, since it is larger than the sum of its proper divisors (5219748059347).

506315561747153 is an equidigital number, since it uses as much as digits as its factorization.

506315561747153 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5219748059346.

The product of its (nonzero) digits is 39690000, while the sum is 59.

The spelling of 506315561747153 in words is "five hundred six trillion, three hundred fifteen billion, five hundred sixty-one million, seven hundred forty-seven thousand, one hundred fifty-three".