4551531500225 has 12 divisors (see below), whose sum is σ = 5693845073196. Its totient is φ = 3609001966080.

The previous prime is 4551531500213. The next prime is 4551531500231. The reversal of 4551531500225 is 5220051351554.

It can be written as a sum of positive squares in 6 ways, for example, as 315690030769 + 4235841469456 = 561863^2 + 2058116^2 .

It is not a de Polignac number, because 4551531500225 - 2⁴ = 4551531500209 is a prime.

It is a Duffinian number.

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 805577972 + ... + 805583621.

It is an arithmetic number, because the mean of its divisors is an integer number (474487089433).

Almost surely, 2^{4551531500225} is an apocalyptic number.

It is an amenable number.

4551531500225 is a deficient number, since it is larger than the sum of its proper divisors (1142313572971).

4551531500225 is a wasteful number, since it uses less digits than its factorization.

4551531500225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1611161716 (or 1611161711 counting only the distinct ones).

The product of its (nonzero) digits is 150000, while the sum is 38.

Adding to 4551531500225 its reverse (5220051351554), we get a palindrome (9771582851779).

The spelling of 4551531500225 in words is "four trillion, five hundred fifty-one billion, five hundred thirty-one million, five hundred thousand, two hundred twenty-five".