25132234544 has 20 divisors (see below), whose sum is σ = 48992443896. Its totient is φ = 12489023232.

The previous prime is 25132234513. The next prime is 25132234559. The reversal of 25132234544 is 44543223152.

It is a happy number.

It is a super-3 number, since 3×25132234544³ (a number of 32 digits) contains 333 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4815689 + ... + 4820904.

Almost surely, 2^25132234544 is an apocalyptic number.

It is an amenable number.

25132234544 is a deficient number, since it is larger than the sum of its proper divisors (23860209352).

25132234544 is a wasteful number, since it uses less digits than its factorization.

25132234544 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9636764 (or 9636758 counting only the distinct ones).

The product of its digits is 115200, while the sum is 35.

Adding to 25132234544 its reverse (44543223152), we get a palindrome (69675457696).

The spelling of 25132234544 in words is "twenty-five billion, one hundred thirty-two million, two hundred thirty-four thousand, five hundred forty-four".