25224142105 has 32 divisors (see below), whose sum is σ = 32353603200. Its totient is φ = 18812931072.

The previous prime is 25224142079. The next prime is 25224142129. The reversal of 25224142105 is 50124142252.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 25224142105 - 2¹⁹ = 25223617817 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4089754 + ... + 4095916.

It is an arithmetic number, because the mean of its divisors is an integer number (1011050100).

Almost surely, 2^25224142105 is an apocalyptic number.

It is an amenable number.

25224142105 is a deficient number, since it is larger than the sum of its proper divisors (7129461095).

25224142105 is a wasteful number, since it uses less digits than its factorization.

25224142105 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6633.

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

Adding to 25224142105 its reverse (50124142252), we get a palindrome (75348284357).

The spelling of 25224142105 in words is "twenty-five billion, two hundred twenty-four million, one hundred forty-two thousand, one hundred five".