25542624552 has 64 divisors (see below), whose sum is σ = 64063872000. Its totient is φ = 8486622144.

The previous prime is 25542624533. The next prime is 25542624587.

25542624552 is nontrivially palindromic in base 10.

It is an unprimeable number.

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, 12751183 + ... + 12753185.

It is an arithmetic number, because the mean of its divisors is an integer number (1000998000).

Almost surely, 2^25542624552 is an apocalyptic number.

It is an amenable number.

25542624552 is an abundant number, since it is smaller than the sum of its proper divisors (38521247448).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

25542624552 is a wasteful number, since it uses less digits than its factorization.

25542624552 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3470 (or 3466 counting only the distinct ones).

The product of its digits is 960000, while the sum is 42.

The spelling of 25542624552 in words is "twenty-five billion, five hundred forty-two million, six hundred twenty-four thousand, five hundred fifty-two".