225400243781241 has 16 divisors (see below), whose sum is σ = 335771183704320. Its totient is φ = 149436625708080.

The previous prime is 225400243781231. The next prime is 225400243781281. The reversal of 225400243781241 is 142187342004522.

225400243781241 is a `hidden beast` number, since 2 + 2 + 540 + 0 + 2 + 4 + 3 + 7 + 81 + 24 + 1 = 666.

225400243781241 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 225400243781241 - 2³⁴ = 225383063912057 is a prime.

It is not an unprimeable number, because it can be changed into a prime (225400243781231) 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, 23061202785 + ... + 23061212558.

It is an arithmetic number, because the mean of its divisors is an integer number (20985698981520).

Almost surely, 2^{225400243781241} is an apocalyptic number.

It is an amenable number.

225400243781241 is a deficient number, since it is larger than the sum of its proper divisors (110370939923079).

225400243781241 is a wasteful number, since it uses less digits than its factorization.

225400243781241 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46122415533 (or 46122415527 counting only the distinct ones).

The product of its (nonzero) digits is 860160, while the sum is 45.

Adding to 225400243781241 its reverse (142187342004522), we get a palindrome (367587585785763).

The spelling of 225400243781241 in words is "two hundred twenty-five trillion, four hundred billion, two hundred forty-three million, seven hundred eighty-one thousand, two hundred forty-one".