225125662265451 has 20 divisors (see below), whose sum is σ = 337262435818000. Its totient is φ = 149653735355376.

The previous prime is 225125662265437. The next prime is 225125662265501. The reversal of 225125662265451 is 154562266521522.

225125662265451 is a `hidden beast` number, since 2 + 2 + 5 + 1 + 2 + 5 + 6 + 622 + 6 + 5 + 4 + 5 + 1 = 666.

It is not a de Polignac number, because 225125662265451 - 2¹⁹ = 225125661741163 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (225125662266451) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 3981818671 + ... + 3981875208.

It is an arithmetic number, because the mean of its divisors is an integer number (16863121790900).

Almost surely, 2^{225125662265451} is an apocalyptic number.

225125662265451 is a deficient number, since it is larger than the sum of its proper divisors (112136773552549).

225125662265451 is an equidigital number, since it uses as much as digits as its factorization.

225125662265451 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7963694240 (or 7963694231 counting only the distinct ones).

The product of its digits is 17280000, while the sum is 54.

The spelling of 225125662265451 in words is "two hundred twenty-five trillion, one hundred twenty-five billion, six hundred sixty-two million, two hundred sixty-five thousand, four hundred fifty-one".