225125664401 has 12 divisors (see below), whose sum is σ = 260475978000. Its totient is φ = 193888130040.

The previous prime is 225125664377. The next prime is 225125664419. The reversal of 225125664401 is 104466521522.

It is not a de Polignac number, because 225125664401 - 2¹⁴ = 225125648017 is a prime.

It is not an unprimeable number, because it can be changed into a prime (225125664451) 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, 48959351 + ... + 48963948.

It is an arithmetic number, because the mean of its divisors is an integer number (21706331500).

Almost surely, 2^225125664401 is an apocalyptic number.

It is an amenable number.

225125664401 is a deficient number, since it is larger than the sum of its proper divisors (35350313599).

225125664401 is a wasteful number, since it uses less digits than its factorization.

225125664401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 97923340 (or 97923329 counting only the distinct ones).

The product of its (nonzero) digits is 115200, while the sum is 38.

It can be divided in two parts, 2251 and 25664401, that added together give a palindrome (25666652).

The spelling of 225125664401 in words is "two hundred twenty-five billion, one hundred twenty-five million, six hundred sixty-four thousand, four hundred one".