555013225121 has 4 divisors (see below), whose sum is σ = 564111802644. Its totient is φ = 545914647600.

The previous prime is 555013225069. The next prime is 555013225133. The reversal of 555013225121 is 121522310555.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 121522310555 = 5 ⋅24304462111.

It can be written as a sum of positive squares in 2 ways, for example, as 182136900625 + 372876324496 = 426775^2 + 610636^2 .

It is a cyclic number.

It is not a de Polignac number, because 555013225121 - 2³⁴ = 537833355937 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (555013225181) by changing a digit.

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, 4549288670 + ... + 4549288791.

It is an arithmetic number, because the mean of its divisors is an integer number (141027950661).

Almost surely, 2^555013225121 is an apocalyptic number.

It is an amenable number.

555013225121 is a deficient number, since it is larger than the sum of its proper divisors (9098577523).

555013225121 is an equidigital number, since it uses as much as digits as its factorization.

555013225121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9098577522.

The product of its (nonzero) digits is 15000, while the sum is 32.

Adding to 555013225121 its reverse (121522310555), we get a palindrome (676535535676).

The spelling of 555013225121 in words is "five hundred fifty-five billion, thirteen million, two hundred twenty-five thousand, one hundred twenty-one".