225126057123 has 48 divisors (see below), whose sum is σ = 374784883200. Its totient is φ = 128932251840.

The previous prime is 225126057109. The next prime is 225126057157. The reversal of 225126057123 is 321750621522.

225126057123 is a `hidden beast` number, since 2 + 2 + 5 + 1 + 2 + 60 + 571 + 23 = 666.

It is not a de Polignac number, because 225126057123 - 2²⁴ = 225109279907 is a prime.

It is not an unprimeable number, because it can be changed into a prime (225126057523) 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 47 ways as a sum of consecutive naturals, for example, 699253 + ... + 969126.

It is an arithmetic number, because the mean of its divisors is an integer number (7808018400).

Almost surely, 2^225126057123 is an apocalyptic number.

225126057123 is a deficient number, since it is larger than the sum of its proper divisors (149658826077).

225126057123 is a wasteful number, since it uses less digits than its factorization.

225126057123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1668472 (or 1668469 counting only the distinct ones).

The product of its (nonzero) digits is 50400, while the sum is 36.

Adding to 225126057123 its reverse (321750621522), we get a palindrome (546876678645).

The spelling of 225126057123 in words is "two hundred twenty-five billion, one hundred twenty-six million, fifty-seven thousand, one hundred twenty-three".