25256222625143 has 4 divisors (see below), whose sum is σ = 25256383095888. Its totient is φ = 25256062154400.

The previous prime is 25256222625107. The next prime is 25256222625149. The reversal of 25256222625143 is 34152622265252.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 25256222625143 - 2⁸ = 25256222624887 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25256222625149) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 79999058 + ... + 80314143.

It is an arithmetic number, because the mean of its divisors is an integer number (6314095773972).

Almost surely, 2^{25256222625143} is an apocalyptic number.

25256222625143 is a deficient number, since it is larger than the sum of its proper divisors (160470745).

25256222625143 is a wasteful number, since it uses less digits than its factorization.

25256222625143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 160470744.

The product of its digits is 3456000, while the sum is 47.

The spelling of 25256222625143 in words is "twenty-five trillion, two hundred fifty-six billion, two hundred twenty-two million, six hundred twenty-five thousand, one hundred forty-three".