516303472001 has 4 divisors (see below), whose sum is σ = 516547820292. Its totient is φ = 516059123712.

The previous prime is 516303471919. The next prime is 516303472021. The reversal of 516303472001 is 100274303615.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 100274303615 = 5 ⋅20054860723.

It can be written as a sum of positive squares in 2 ways, for example, as 205028745601 + 311274726400 = 452801^2 + 557920^2 .

It is a cyclic number.

It is not a de Polignac number, because 516303472001 - 2¹⁴ = 516303455617 is a prime.

It is a super-3 number, since 3×516303472001³ (a number of 36 digits) contains 333 as substring.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (516303472021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 122170976 + ... + 122175201.

It is an arithmetic number, because the mean of its divisors is an integer number (129136955073).

Almost surely, 2^516303472001 is an apocalyptic number.

It is an amenable number.

516303472001 is a deficient number, since it is larger than the sum of its proper divisors (244348291).

516303472001 is a wasteful number, since it uses less digits than its factorization.

516303472001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 244348290.

The product of its (nonzero) digits is 15120, while the sum is 32.

Adding to 516303472001 its reverse (100274303615), we get a palindrome (616577775616).

The spelling of 516303472001 in words is "five hundred sixteen billion, three hundred three million, four hundred seventy-two thousand, one".