25144225855 has 16 divisors (see below), whose sum is σ = 34805790720. Its totient is φ = 17080614432.

The previous prime is 25144225811. The next prime is 25144225861. The reversal of 25144225855 is 55852244152.

It is not a de Polignac number, because 25144225855 - 2⁷ = 25144225727 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, 3353295 + ... + 3360784.

It is an arithmetic number, because the mean of its divisors is an integer number (2175361920).

Almost surely, 2^25144225855 is an apocalyptic number.

25144225855 is a deficient number, since it is larger than the sum of its proper divisors (9661564865).

25144225855 is a wasteful number, since it uses less digits than its factorization.

25144225855 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6714198.

The product of its digits is 640000, while the sum is 43.

The spelling of 25144225855 in words is "twenty-five billion, one hundred forty-four million, two hundred twenty-five thousand, eight hundred fifty-five".