225641582546461 has 16 divisors (see below), whose sum is σ = 226769531788800. Its totient is φ = 224514846344448.

The previous prime is 225641582546383. The next prime is 225641582546477. The reversal of 225641582546461 is 164645285146522.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-225641582546461 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 225641582546461.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (225641582546491) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2929496596 + ... + 2929573618.

It is an arithmetic number, because the mean of its divisors is an integer number (14173095736800).

Almost surely, 2^{225641582546461} is an apocalyptic number.

It is an amenable number.

225641582546461 is a deficient number, since it is larger than the sum of its proper divisors (1127949242339).

225641582546461 is a wasteful number, since it uses less digits than its factorization.

225641582546461 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 84708.

The product of its digits is 110592000, while the sum is 61.

The spelling of 225641582546461 in words is "two hundred twenty-five trillion, six hundred forty-one billion, five hundred eighty-two million, five hundred forty-six thousand, four hundred sixty-one".