2544541145225 has 12 divisors (see below), whose sum is σ = 3162725643660. Its totient is φ = 2030797675200.

The previous prime is 2544541145213. The next prime is 2544541145227. The reversal of 2544541145225 is 5225411454452.

It can be written as a sum of positive squares in 6 ways, for example, as 1430959035529 + 1113582109696 = 1196227^2 + 1055264^2 .

It is not a de Polignac number, because 2544541145225 - 2³² = 2540246177929 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2544541145227) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 120870290 + ... + 120891339.

It is an arithmetic number, because the mean of its divisors is an integer number (263560470305).

Almost surely, 2^{2544541145225} is an apocalyptic number.

2544541145225 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2544541145225 is a deficient number, since it is larger than the sum of its proper divisors (618184498435).

2544541145225 is a wasteful number, since it uses less digits than its factorization.

2544541145225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 241762060 (or 241762055 counting only the distinct ones).

The product of its digits is 1280000, while the sum is 44.

Adding to 2544541145225 its reverse (5225411454452), we get a palindrome (7769952599677).

The spelling of 2544541145225 in words is "two trillion, five hundred forty-four billion, five hundred forty-one million, one hundred forty-five thousand, two hundred twenty-five".