24540112225 has 6 divisors (see below), whose sum is σ = 30429739190. Its totient is φ = 19632089760.

The previous prime is 24540112217. The next prime is 24540112229. The reversal of 24540112225 is 52221104542.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 905047056 + 23635065169 = 30084^2 + 153737^2 .

It is not a de Polignac number, because 24540112225 - 2³ = 24540112217 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 24540112193 and 24540112202.

It is not an unprimeable number, because it can be changed into a prime (24540112229) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 490802220 + ... + 490802269.

Almost surely, 2^24540112225 is an apocalyptic number.

24540112225 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

24540112225 is a deficient number, since it is larger than the sum of its proper divisors (5889626965).

24540112225 is an equidigital number, since it uses as much as digits as its factorization.

24540112225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 981604499 (or 981604494 counting only the distinct ones).

The product of its (nonzero) digits is 6400, while the sum is 28.

Adding to 24540112225 its reverse (52221104542), we get a palindrome (76761216767).

The spelling of 24540112225 in words is "twenty-four billion, five hundred forty million, one hundred twelve thousand, two hundred twenty-five".