25900830571 has 72 divisors (see below), whose sum is σ = 35678005440. Its totient is φ = 18672081120.

The previous prime is 25900830479. The next prime is 25900830589. The reversal of 25900830571 is 17503800952.

It is not a de Polignac number, because 25900830571 - 2¹⁵ = 25900797803 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25900830271) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 4841320 + ... + 4846666.

Almost surely, 2^25900830571 is an apocalyptic number.

25900830571 is a deficient number, since it is larger than the sum of its proper divisors (9777174869).

25900830571 is a wasteful number, since it uses less digits than its factorization.

25900830571 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5445 (or 5427 counting only the distinct ones).

The product of its (nonzero) digits is 75600, while the sum is 40.

The spelling of 25900830571 in words is "twenty-five billion, nine hundred million, eight hundred thirty thousand, five hundred seventy-one".