325151311305665 has 16 divisors (see below), whose sum is σ = 421275734989200. Its totient is φ = 239494483736832.

The previous prime is 325151311305659. The next prime is 325151311305677. The reversal of 325151311305665 is 566503113151523.

It can be written as a sum of positive squares in 8 ways, for example, as 72170071118209 + 252981240187456 = 8495297^2 + 15905384^2 .

It is a cyclic number.

It is not a de Polignac number, because 325151311305665 - 2¹⁰ = 325151311304641 is a prime.

It is a super-2 number, since 2×325151311305665² (a number of 30 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6429702050 + ... + 6429752619.

It is an arithmetic number, because the mean of its divisors is an integer number (26329733436825).

Almost surely, 2^{325151311305665} is an apocalyptic number.

It is an amenable number.

325151311305665 is a deficient number, since it is larger than the sum of its proper divisors (96124423683535).

325151311305665 is a wasteful number, since it uses less digits than its factorization.

325151311305665 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12859455076.

The product of its (nonzero) digits is 1215000, while the sum is 47.

The spelling of 325151311305665 in words is "three hundred twenty-five trillion, one hundred fifty-one billion, three hundred eleven million, three hundred five thousand, six hundred sixty-five".