25323761271 has 4 divisors (see below), whose sum is σ = 33765015032. Its totient is φ = 16882507512.

The previous prime is 25323761269. The next prime is 25323761293. The reversal of 25323761271 is 17216732352.

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

It is not a de Polignac number, because 25323761271 - 2¹ = 25323761269 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 (25323761251) 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 3 ways as a sum of consecutive naturals, for example, 4220626876 + ... + 4220626881.

It is an arithmetic number, because the mean of its divisors is an integer number (8441253758).

Almost surely, 2^25323761271 is an apocalyptic number.

25323761271 is a deficient number, since it is larger than the sum of its proper divisors (8441253761).

25323761271 is an equidigital number, since it uses as much as digits as its factorization.

25323761271 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8441253760.

The product of its digits is 105840, while the sum is 39.

The spelling of 25323761271 in words is "twenty-five billion, three hundred twenty-three million, seven hundred sixty-one thousand, two hundred seventy-one".