225610563641645 has 32 divisors (see below), whose sum is σ = 333217873820160. Its totient is φ = 142800437940480.

The previous prime is 225610563641611. The next prime is 225610563641681. The reversal of 225610563641645 is 546146365016522.

It is not a de Polignac number, because 225610563641645 - 2¹⁸ = 225610563379501 is a prime.

It is a super-3 number, since 3×225610563641645³ (a number of 44 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 11800811 + ... + 24299799.

It is an arithmetic number, because the mean of its divisors is an integer number (10413058556880).

Almost surely, 2^{225610563641645} is an apocalyptic number.

It is an amenable number.

225610563641645 is a deficient number, since it is larger than the sum of its proper divisors (107607310178515).

225610563641645 is a wasteful number, since it uses less digits than its factorization.

225610563641645 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12538685.

The product of its (nonzero) digits is 31104000, while the sum is 56.

The spelling of 225610563641645 in words is "two hundred twenty-five trillion, six hundred ten billion, five hundred sixty-three million, six hundred forty-one thousand, six hundred forty-five".