3855202488225 has 36 divisors (see below), whose sum is σ = 7532832018192. Its totient is φ = 1869189084000.

The previous prime is 3855202488209. The next prime is 3855202488233. The reversal of 3855202488225 is 5228842025583.

3855202488225 is a `hidden beast` number, since 3 + 8 + 552 + 0 + 2 + 4 + 8 + 82 + 2 + 5 = 666.

It is not a de Polignac number, because 3855202488225 - 2⁴ = 3855202488209 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 778826311 + ... + 778831260.

Almost surely, 2^{3855202488225} is an apocalyptic number.

It is an amenable number.

3855202488225 is a deficient number, since it is larger than the sum of its proper divisors (3677629529967).

3855202488225 is a wasteful number, since it uses less digits than its factorization.

3855202488225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1557657598 (or 1557657590 counting only the distinct ones).

The product of its (nonzero) digits is 12288000, while the sum is 54.

The spelling of 3855202488225 in words is "three trillion, eight hundred fifty-five billion, two hundred two million, four hundred eighty-eight thousand, two hundred twenty-five".