133004415055221 has 12 divisors (see below), whose sum is σ = 192201126879372. Its totient is φ = 88631007667776.

The previous prime is 133004415055219. The next prime is 133004415055261. The reversal of 133004415055221 is 122550514400331.

133004415055221 is a `hidden beast` number, since 1 + 3 + 30 + 0 + 4 + 4 + 1 + 50 + 552 + 21 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 42016453640100 + 90987961415121 = 6482010^2 + 9538761^2 .

It is not a de Polignac number, because 133004415055221 - 2¹ = 133004415055219 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (133004415055261) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3216842266 + ... + 3216883611.

It is an arithmetic number, because the mean of its divisors is an integer number (16016760573281).

Almost surely, 2^{133004415055221} is an apocalyptic number.

It is an amenable number.

133004415055221 is a deficient number, since it is larger than the sum of its proper divisors (59196711824151).

133004415055221 is a wasteful number, since it uses less digits than its factorization.

133004415055221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6433728180 (or 6433728177 counting only the distinct ones).

The product of its (nonzero) digits is 72000, while the sum is 36.

Adding to 133004415055221 its reverse (122550514400331), we get a palindrome (255554929455552).

The spelling of 133004415055221 in words is "one hundred thirty-three trillion, four billion, four hundred fifteen million, fifty-five thousand, two hundred twenty-one".