325566226855 has 4 divisors (see below), whose sum is σ = 390679472232. Its totient is φ = 260452981480.

The previous prime is 325566226813. The next prime is 325566226901. The reversal of 325566226855 is 558622665523.

It is a happy number.

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

It is not a de Polignac number, because 325566226855 - 2¹¹ = 325566224807 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 325566226796 and 325566226805.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 32556622681 + ... + 32556622690.

It is an arithmetic number, because the mean of its divisors is an integer number (97669868058).

Almost surely, 2^325566226855 is an apocalyptic number.

325566226855 is a deficient number, since it is larger than the sum of its proper divisors (65113245377).

325566226855 is an equidigital number, since it uses as much as digits as its factorization.

325566226855 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65113245376.

The product of its digits is 25920000, while the sum is 55.

The spelling of 325566226855 in words is "three hundred twenty-five billion, five hundred sixty-six million, two hundred twenty-six thousand, eight hundred fifty-five".