25632722271 has 16 divisors (see below), whose sum is σ = 36889825280. Its totient is φ = 15738040800.

The previous prime is 25632722251. The next prime is 25632722299. The reversal of 25632722271 is 17222723652.

It is not a de Polignac number, because 25632722271 - 2⁶ = 25632722207 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25632722231) 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 15 ways as a sum of consecutive naturals, for example, 731455 + ... + 765696.

It is an arithmetic number, because the mean of its divisors is an integer number (2305614080).

Almost surely, 2^25632722271 is an apocalyptic number.

25632722271 is a deficient number, since it is larger than the sum of its proper divisors (11257103009).

25632722271 is a wasteful number, since it uses less digits than its factorization.

25632722271 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1497606.

The product of its digits is 141120, while the sum is 39.

The spelling of 25632722271 in words is "twenty-five billion, six hundred thirty-two million, seven hundred twenty-two thousand, two hundred seventy-one".