25055112144 has 40 divisors (see below), whose sum is σ = 66813636352. Its totient is φ = 8082293760.

The previous prime is 25055112133. The next prime is 25055112151. The reversal of 25055112144 is 44121155052.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8417569 + ... + 8420544.

Almost surely, 2^25055112144 is an apocalyptic number.

25055112144 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

25055112144 is an abundant number, since it is smaller than the sum of its proper divisors (41758524208).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

25055112144 is a wasteful number, since it uses less digits than its factorization.

25055112144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16838155 (or 16838149 counting only the distinct ones).

The product of its (nonzero) digits is 8000, while the sum is 30.

Adding to 25055112144 its reverse (44121155052), we get a palindrome (69176267196).

The spelling of 25055112144 in words is "twenty-five billion, fifty-five million, one hundred twelve thousand, one hundred forty-four".