225544003042155 has 128 divisors (see below), whose sum is σ = 430722662400000. Its totient is φ = 100694086238592.

The previous prime is 225544003042133. The next prime is 225544003042181. The reversal of 225544003042155 is 551240300445522.

It is not a de Polignac number, because 225544003042155 - 2⁷ = 225544003042027 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 110953096 + ... + 112967594.

It is an arithmetic number, because the mean of its divisors is an integer number (3365020800000).

Almost surely, 2^{225544003042155} is an apocalyptic number.

225544003042155 is a deficient number, since it is larger than the sum of its proper divisors (205178659357845).

225544003042155 is a wasteful number, since it uses less digits than its factorization.

225544003042155 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2015038 (or 2015024 counting only the distinct ones).

The product of its (nonzero) digits is 960000, while the sum is 42.

Adding to 225544003042155 its reverse (551240300445522), we get a palindrome (776784303487677).

The spelling of 225544003042155 in words is "two hundred twenty-five trillion, five hundred forty-four billion, three million, forty-two thousand, one hundred fifty-five".