25545254552 has 32 divisors (see below), whose sum is σ = 48684110400. Its totient is φ = 12563389344.

The previous prime is 25545254551. The next prime is 25545254557.

25545254552 is nontrivially palindromic in base 10.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25545254551) 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 7 ways as a sum of consecutive naturals, for example, 331199 + ... + 400977.

It is an arithmetic number, because the mean of its divisors is an integer number (1521378450).

Almost surely, 2^25545254552 is an apocalyptic number.

It is an amenable number.

25545254552 is a deficient number, since it is larger than the sum of its proper divisors (23138855848).

25545254552 is a wasteful number, since it uses less digits than its factorization.

25545254552 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70535 (or 70531 counting only the distinct ones).

The product of its digits is 2000000, while the sum is 44.

The spelling of 25545254552 in words is "twenty-five billion, five hundred forty-five million, two hundred fifty-four thousand, five hundred fifty-two".