25344112534 has 8 divisors (see below), whose sum is σ = 40940489520. Its totient is φ = 11697282696.

The previous prime is 25344112531. The next prime is 25344112543. The reversal of 25344112534 is 43521144352.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 25344112534.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25344112531) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 487386754 + ... + 487386805.

It is an arithmetic number, because the mean of its divisors is an integer number (5117561190).

Almost surely, 2^25344112534 is an apocalyptic number.

25344112534 is a deficient number, since it is larger than the sum of its proper divisors (15596376986).

25344112534 is a wasteful number, since it uses less digits than its factorization.

25344112534 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 974773574.

The product of its digits is 57600, while the sum is 34.

Adding to 25344112534 its reverse (43521144352), we get a palindrome (68865256886).

The spelling of 25344112534 in words is "twenty-five billion, three hundred forty-four million, one hundred twelve thousand, five hundred thirty-four".