25143582752 has 18 divisors (see below), whose sum is σ = 49503194559. Its totient is φ = 12571342880.

The previous prime is 25143582719. The next prime is 25143582757. The reversal of 25143582752 is 25728534152.

It is a happy number.

It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.

It can be written as a sum of positive squares in only one way, i.e., 12571791376 + 12571791376 = 112124^2 + 112124^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=112124.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (25143582757) by changing a digit.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 882977 + ... + 911007.

Almost surely, 2^25143582752 is an apocalyptic number.

It is an amenable number.

25143582752 is a deficient number, since it is larger than the sum of its proper divisors (24359611807).

25143582752 is an frugal number, since it uses more digits than its factorization.

25143582752 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56072 (or 28033 counting only the distinct ones).

The product of its digits is 672000, while the sum is 44.

The spelling of 25143582752 in words is "twenty-five billion, one hundred forty-three million, five hundred eighty-two thousand, seven hundred fifty-two".