2525605517571 has 16 divisors (see below), whose sum is σ = 3464543816448. Its totient is φ = 1635361509600.

The previous prime is 2525605517569. The next prime is 2525605517573. The reversal of 2525605517571 is 1757155065252.

It is an interprime number because it is at equal distance from previous prime (2525605517569) and next prime (2525605517573).

It is not a de Polignac number, because 2525605517571 - 2¹ = 2525605517569 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2525605517573) 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 in 15 ways as a sum of consecutive naturals, for example, 19860615 + ... + 19987376.

It is an arithmetic number, because the mean of its divisors is an integer number (216533988528).

Almost surely, 2^{2525605517571} is an apocalyptic number.

2525605517571 is a deficient number, since it is larger than the sum of its proper divisors (938938298877).

2525605517571 is a wasteful number, since it uses less digits than its factorization.

2525605517571 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39848602.

The product of its (nonzero) digits is 3675000, while the sum is 51.

The spelling of 2525605517571 in words is "two trillion, five hundred twenty-five billion, six hundred five million, five hundred seventeen thousand, five hundred seventy-one".