25319488271 has 64 divisors (see below), whose sum is σ = 34252968960. Its totient is φ = 18113372160.

The previous prime is 25319488261. The next prime is 25319488283. The reversal of 25319488271 is 17288491352.

It is a de Polignac number, because none of the positive numbers 2^k-25319488271 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25319488211) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 10579451 + ... + 10581843.

It is an arithmetic number, because the mean of its divisors is an integer number (535202640).

Almost surely, 2^25319488271 is an apocalyptic number.

25319488271 is a deficient number, since it is larger than the sum of its proper divisors (8933480689).

25319488271 is a wasteful number, since it uses less digits than its factorization.

25319488271 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2624.

The product of its digits is 967680, while the sum is 50.

The spelling of 25319488271 in words is "twenty-five billion, three hundred nineteen million, four hundred eighty-eight thousand, two hundred seventy-one".