25500260143 has 4 divisors (see below), whose sum is σ = 25525434168. Its totient is φ = 25475086120.

The previous prime is 25500260131. The next prime is 25500260179. The reversal of 25500260143 is 34106200552.

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 25500260143 - 2¹³ = 25500251951 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 (25500264143) 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, 12585493 + ... + 12587518.

It is an arithmetic number, because the mean of its divisors is an integer number (6381358542).

Almost surely, 2^25500260143 is an apocalyptic number.

25500260143 is a deficient number, since it is larger than the sum of its proper divisors (25174025).

25500260143 is a wasteful number, since it uses less digits than its factorization.

25500260143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25174024.

The product of its (nonzero) digits is 7200, while the sum is 28.

Adding to 25500260143 its reverse (34106200552), we get a palindrome (59606460695).

The spelling of 25500260143 in words is "twenty-five billion, five hundred million, two hundred sixty thousand, one hundred forty-three".