225745252665136 has 30 divisors (see below), whose sum is σ = 441754812865196. Its totient is φ = 111755075496000.

The previous prime is 225745252665089. The next prime is 225745252665197. The reversal of 225745252665136 is 631566252547522.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 691390470 + ... + 691716901.

Almost surely, 2^{225745252665136} is an apocalyptic number.

It is an amenable number.

225745252665136 is a deficient number, since it is larger than the sum of its proper divisors (216009560200060).

225745252665136 is a wasteful number, since it uses less digits than its factorization.

225745252665136 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1383107581 (or 1383107474 counting only the distinct ones).

The product of its digits is 181440000, while the sum is 61.

The spelling of 225745252665136 in words is "two hundred twenty-five trillion, seven hundred forty-five billion, two hundred fifty-two million, six hundred sixty-five thousand, one hundred thirty-six".