25002134044 has 6 divisors (see below), whose sum is σ = 43753734584. Its totient is φ = 12501067020.

The previous prime is 25002134041. The next prime is 25002134057. The reversal of 25002134044 is 44043120052.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25002134041) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3125266752 + ... + 3125266759.

Almost surely, 2^25002134044 is an apocalyptic number.

It is an amenable number.

25002134044 is a deficient number, since it is larger than the sum of its proper divisors (18751600540).

25002134044 is a wasteful number, since it uses less digits than its factorization.

25002134044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6250533515 (or 6250533513 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 25.

Adding to 25002134044 its reverse (44043120052), we get a palindrome (69045254096).

The spelling of 25002134044 in words is "twenty-five billion, two million, one hundred thirty-four thousand, forty-four".