25143425444013 has 8 divisors (see below), whose sum is σ = 33524599313088. Its totient is φ = 16762267602144.

The previous prime is 25143425443991. The next prime is 25143425444029. The reversal of 25143425444013 is 31044452434152.

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

It is not a de Polignac number, because 25143425444013 - 2¹² = 25143425439917 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25143425444113) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 321745 + ... + 7098617.

It is an arithmetic number, because the mean of its divisors is an integer number (4190574914136).

Almost surely, 2^{25143425444013} is an apocalyptic number.

It is an amenable number.

25143425444013 is a deficient number, since it is larger than the sum of its proper divisors (8381173869075).

25143425444013 is a wasteful number, since it uses less digits than its factorization.

25143425444013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8013603.

The product of its (nonzero) digits is 921600, while the sum is 42.

Adding to 25143425444013 its reverse (31044452434152), we get a palindrome (56187877878165).

The spelling of 25143425444013 in words is "twenty-five trillion, one hundred forty-three billion, four hundred twenty-five million, four hundred forty-four thousand, thirteen".