25225120106205 has 16 divisors (see below), whose sum is σ = 40360778139840. Its totient is φ = 13453202066688.

The previous prime is 25225120106107. The next prime is 25225120106233. The reversal of 25225120106205 is 50260102152252.

It is a happy number.

It is not a de Polignac number, because 25225120106205 - 2²⁰ = 25225119057629 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11137075 + ... + 13209264.

It is an arithmetic number, because the mean of its divisors is an integer number (2522548633740).

Almost surely, 2^{25225120106205} is an apocalyptic number.

It is an amenable number.

25225120106205 is a deficient number, since it is larger than the sum of its proper divisors (15135658033635).

25225120106205 is a wasteful number, since it uses less digits than its factorization.

25225120106205 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24415420.

The product of its (nonzero) digits is 24000, while the sum is 33.

Adding to 25225120106205 its reverse (50260102152252), we get a palindrome (75485222258457).

The spelling of 25225120106205 in words is "twenty-five trillion, two hundred twenty-five billion, one hundred twenty million, one hundred six thousand, two hundred five".