321554041425053 has 8 divisors (see below), whose sum is σ = 321965352416760. Its totient is φ = 321142992503040.

The previous prime is 321554041425037. The next prime is 321554041425059. The reversal of 321554041425053 is 350524140455123.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 105761848947364 + 215792192477689 = 10284058^2 + 14689867^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 321554041425053 - 2⁴ = 321554041425037 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 321554041424995 and 321554041425013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (321554041425059) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 63061838 + ... + 67969871.

It is an arithmetic number, because the mean of its divisors is an integer number (40245669052095).

Almost surely, 2^{321554041425053} is an apocalyptic number.

It is an amenable number.

321554041425053 is a deficient number, since it is larger than the sum of its proper divisors (411310991707).

321554041425053 is a wasteful number, since it uses less digits than its factorization.

321554041425053 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 131034847.

The product of its (nonzero) digits is 1440000, while the sum is 44.

The spelling of 321554041425053 in words is "three hundred twenty-one trillion, five hundred fifty-four billion, forty-one million, four hundred twenty-five thousand, fifty-three".