4551540424225 has 24 divisors (see below), whose sum is σ = 5727676083840. Its totient is φ = 3587302293120.

The previous prime is 4551540424219. The next prime is 4551540424247. The reversal of 4551540424225 is 5224240451554.

It is not a de Polignac number, because 4551540424225 - 2²¹ = 4551538327073 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 212916 + ... + 3024634.

It is an arithmetic number, because the mean of its divisors is an integer number (238653170160).

Almost surely, 2^{4551540424225} is an apocalyptic number.

It is an amenable number.

4551540424225 is a deficient number, since it is larger than the sum of its proper divisors (1176135659615).

4551540424225 is a wasteful number, since it uses less digits than its factorization.

4551540424225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2812689 (or 2812684 counting only the distinct ones).

The product of its (nonzero) digits is 1280000, while the sum is 43.

Adding to 4551540424225 its reverse (5224240451554), we get a palindrome (9775780875779).

The spelling of 4551540424225 in words is "four trillion, five hundred fifty-one billion, five hundred forty million, four hundred twenty-four thousand, two hundred twenty-five".