25125605143 has 4 divisors (see below), whose sum is σ = 25229861008. Its totient is φ = 25021349280.

The previous prime is 25125605123. The next prime is 25125605221. The reversal of 25125605143 is 34150652152.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-25125605143 is a prime.

It is a super-3 number, since 3×25125605143³ (a number of 32 digits) contains 333 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 25125605099 and 25125605108.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25125605123) 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, 52127571 + ... + 52128052.

It is an arithmetic number, because the mean of its divisors is an integer number (6307465252).

Almost surely, 2^25125605143 is an apocalyptic number.

25125605143 is a deficient number, since it is larger than the sum of its proper divisors (104255865).

25125605143 is a wasteful number, since it uses less digits than its factorization.

25125605143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 104255864.

The product of its (nonzero) digits is 36000, while the sum is 34.

The spelling of 25125605143 in words is "twenty-five billion, one hundred twenty-five million, six hundred five thousand, one hundred forty-three".