25847275123 has 2 divisors, whose sum is σ = 25847275124. Its totient is φ = 25847275122.

The previous prime is 25847275061. The next prime is 25847275127. The reversal of 25847275123 is 32157274852.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 25847275123 - 2¹³ = 25847266931 is a prime.

It is not a weakly prime, because it can be changed into another prime (25847275127) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12923637561 + 12923637562.

It is an arithmetic number, because the mean of its divisors is an integer number (12923637562).

Almost surely, 2^25847275123 is an apocalyptic number.

25847275123 is a deficient number, since it is larger than the sum of its proper divisors (1).

25847275123 is an equidigital number, since it uses as much as digits as its factorization.

25847275123 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 940800, while the sum is 46.

The spelling of 25847275123 in words is "twenty-five billion, eight hundred forty-seven million, two hundred seventy-five thousand, one hundred twenty-three".