25134052144 has 20 divisors (see below), whose sum is σ = 48763145080. Its totient is φ = 12550014720.

The previous prime is 25134052133. The next prime is 25134052199. The reversal of 25134052144 is 44125043152.

It is an unprimeable number.

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 in 3 ways as a sum of consecutive naturals, for example, 1051017 + ... + 1074664.

It is an arithmetic number, because the mean of its divisors is an integer number (2438157254).

Almost surely, 2^25134052144 is an apocalyptic number.

It is an amenable number.

25134052144 is a deficient number, since it is larger than the sum of its proper divisors (23629092936).

25134052144 is a wasteful number, since it uses less digits than its factorization.

25134052144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2126428 (or 2126422 counting only the distinct ones).

The product of its (nonzero) digits is 19200, while the sum is 31.

Adding to 25134052144 its reverse (44125043152), we get a palindrome (69259095296).

The spelling of 25134052144 in words is "twenty-five billion, one hundred thirty-four million, fifty-two thousand, one hundred forty-four".