225125640045535 has 4 divisors (see below), whose sum is σ = 270150768054648. Its totient is φ = 180100512036424.

The previous prime is 225125640045511. The next prime is 225125640045541. The reversal of 225125640045535 is 535540046521522.

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

It is a cyclic number.

It is not a de Polignac number, because 225125640045535 - 2⁷ = 225125640045407 is a prime.

It is a Smith number, since the sum of its digits (49) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 22512564004549 + ... + 22512564004558.

It is an arithmetic number, because the mean of its divisors is an integer number (67537692013662).

Almost surely, 2^{225125640045535} is an apocalyptic number.

225125640045535 is a deficient number, since it is larger than the sum of its proper divisors (45025128009113).

225125640045535 is an equidigital number, since it uses as much as digits as its factorization.

225125640045535 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45025128009112.

The product of its (nonzero) digits is 7200000, while the sum is 49.

The spelling of 225125640045535 in words is "two hundred twenty-five trillion, one hundred twenty-five billion, six hundred forty million, forty-five thousand, five hundred thirty-five".