25200443133 has 12 divisors (see below), whose sum is σ = 36532053948. Its totient is φ = 16739642880.

The previous prime is 25200443117. The next prime is 25200443137. The reversal of 25200443133 is 33134400252.

25200443133 is a `hidden beast` number, since 2 + 5 + 200 + 443 + 13 + 3 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 5360875524 + 19839567609 = 73218^2 + 140853^2 .

It is not a de Polignac number, because 25200443133 - 2⁴ = 25200443117 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 25200443097 and 25200443106.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25200443137) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5051748 + ... + 5056733.

It is an arithmetic number, because the mean of its divisors is an integer number (3044337829).

Almost surely, 2^25200443133 is an apocalyptic number.

It is an amenable number.

25200443133 is a deficient number, since it is larger than the sum of its proper divisors (11331610815).

25200443133 is a wasteful number, since it uses less digits than its factorization.

25200443133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10108764 (or 10108761 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 27.

Adding to 25200443133 its reverse (33134400252), we get a palindrome (58334843385).

The spelling of 25200443133 in words is "twenty-five billion, two hundred million, four hundred forty-three thousand, one hundred thirty-three".