25200443134 has 16 divisors (see below), whose sum is σ = 38163367440. Its totient is φ = 12479417280.

The previous prime is 25200443117. The next prime is 25200443137. The reversal of 25200443134 is 43134400252.

It is a happy number.

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 7 ways as a sum of consecutive naturals, for example, 528922 + ... + 574594.

It is an arithmetic number, because the mean of its divisors is an integer number (2385210465).

Almost surely, 2^25200443134 is an apocalyptic number.

25200443134 is a deficient number, since it is larger than the sum of its proper divisors (12962924306).

25200443134 is a wasteful number, since it uses less digits than its factorization.

25200443134 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48315.

The product of its (nonzero) digits is 11520, while the sum is 28.

Adding to 25200443134 its reverse (43134400252), we get a palindrome (68334843386).

The spelling of 25200443134 in words is "twenty-five billion, two hundred million, four hundred forty-three thousand, one hundred thirty-four".