3555144165225 has 24 divisors (see below), whose sum is σ = 5878359137920. Its totient is φ = 1895908893120.

The previous prime is 3555144165217. The next prime is 3555144165289. The reversal of 3555144165225 is 5225614415553.

It is not a de Polignac number, because 3555144165225 - 2³ = 3555144165217 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, 1245505 + ... + 2943054.

Almost surely, 2^{3555144165225} is an apocalyptic number.

It is an amenable number.

3555144165225 is a deficient number, since it is larger than the sum of its proper divisors (2323214972695).

3555144165225 is a wasteful number, since it uses less digits than its factorization.

3555144165225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4199889 (or 4199884 counting only the distinct ones).

The product of its digits is 3600000, while the sum is 48.

The spelling of 3555144165225 in words is "three trillion, five hundred fifty-five billion, one hundred forty-four million, one hundred sixty-five thousand, two hundred twenty-five".