225461113161 has 8 divisors (see below), whose sum is σ = 300973122240. Its totient is φ = 150128256432.

The previous prime is 225461113121. The next prime is 225461113177. The reversal of 225461113161 is 161311164522.

225461113161 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 225461113161 - 2¹⁵ = 225461080393 is a prime.

It is not an unprimeable number, because it can be changed into a prime (225461113121) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 44785150 + ... + 44790183.

It is an arithmetic number, because the mean of its divisors is an integer number (37621640280).

Almost surely, 2^225461113161 is an apocalyptic number.

It is an amenable number.

225461113161 is a deficient number, since it is larger than the sum of its proper divisors (75512009079).

225461113161 is an equidigital number, since it uses as much as digits as its factorization.

225461113161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 89576175.

The product of its digits is 8640, while the sum is 33.

Adding to 225461113161 its reverse (161311164522), we get a palindrome (386772277683).

The spelling of 225461113161 in words is "two hundred twenty-five billion, four hundred sixty-one million, one hundred thirteen thousand, one hundred sixty-one".