511323303053 has 4 divisors (see below), whose sum is σ = 511407118908. Its totient is φ = 511239487200.

The previous prime is 511323303041. The next prime is 511323303059. The reversal of 511323303053 is 350303323115.

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 214714537129 + 296608765924 = 463373^2 + 544618^2 .

It is a cyclic number.

It is not a de Polignac number, because 511323303053 - 2⁴ = 511323303037 is a prime.

It is a super-2 number, since 2×511323303053² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (511323303059) 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, 41898776 + ... + 41910977.

It is an arithmetic number, because the mean of its divisors is an integer number (127851779727).

Almost surely, 2^511323303053 is an apocalyptic number.

It is an amenable number.

511323303053 is a deficient number, since it is larger than the sum of its proper divisors (83815855).

511323303053 is an equidigital number, since it uses as much as digits as its factorization.

511323303053 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 83815854.

The product of its (nonzero) digits is 12150, while the sum is 29.

Adding to 511323303053 its reverse (350303323115), we get a palindrome (861626626168).

The spelling of 511323303053 in words is "five hundred eleven billion, three hundred twenty-three million, three hundred three thousand, fifty-three".