326561036243301 has 12 divisors (see below), whose sum is σ = 471700579835628. Its totient is φ = 217706755066944.

The previous prime is 326561036243261. The next prime is 326561036243327. The reversal of 326561036243301 is 103342630165623.

326561036243301 is a `hidden beast` number, since 3 + 2 + 6 + 5 + 6 + 10 + 3 + 624 + 3 + 3 + 0 + 1 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 248938152395076 + 77622883848225 = 15777774^2 + 8810385^2 .

It is not a de Polignac number, because 326561036243301 - 2¹⁵ = 326561036210533 is a prime.

It is a super-2 number, since 2×326561036243301² (a number of 30 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (326561036243341) 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 11 ways as a sum of consecutive naturals, for example, 46756800 + ... + 53285273.

It is an arithmetic number, because the mean of its divisors is an integer number (39308381652969).

Almost surely, 2^{326561036243301} is an apocalyptic number.

It is an amenable number.

326561036243301 is a deficient number, since it is larger than the sum of its proper divisors (145139543592327).

326561036243301 is a wasteful number, since it uses less digits than its factorization.

326561036243301 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 100404772 (or 100404769 counting only the distinct ones).

The product of its (nonzero) digits is 1399680, while the sum is 45.

The spelling of 326561036243301 in words is "three hundred twenty-six trillion, five hundred sixty-one billion, thirty-six million, two hundred forty-three thousand, three hundred one".