25545455454552 has 64 divisors (see below), whose sum is σ = 69764471458560. Its totient is φ = 7730486275200.

The previous prime is 25545455454551. The next prime is 25545455454559.

25545455454552 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 (25545455454551) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 65811324 + ... + 66198347.

It is an arithmetic number, because the mean of its divisors is an integer number (1090069866540).

Almost surely, 2^{25545455454552} is an apocalyptic number.

25545455454552 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

25545455454552 is an abundant number, since it is smaller than the sum of its proper divisors (44219016004008).

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

25545455454552 is a wasteful number, since it uses less digits than its factorization.

25545455454552 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 132010424 (or 132010420 counting only the distinct ones).

The product of its digits is 400000000, while the sum is 60.

The spelling of 25545455454552 in words is "twenty-five trillion, five hundred forty-five billion, four hundred fifty-five million, four hundred fifty-four thousand, five hundred fifty-two".