5146353666225 has 72 divisors (see below), whose sum is σ = 9708382001760. Its totient is φ = 2598775799040.

The previous prime is 5146353666217. The next prime is 5146353666227. The reversal of 5146353666225 is 5226663536415.

It is a happy number.

It is not a de Polignac number, because 5146353666225 - 2³ = 5146353666217 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (5146353666227) by changing a digit.

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 71 ways as a sum of consecutive naturals, for example, 7150714 + ... + 7837436.

Almost surely, 2^{5146353666225} is an apocalyptic number.

It is an amenable number.

5146353666225 is a deficient number, since it is larger than the sum of its proper divisors (4562028335535).

5146353666225 is a wasteful number, since it uses less digits than its factorization.

5146353666225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 688511 (or 688503 counting only the distinct ones).

The product of its digits is 23328000, while the sum is 54.

The spelling of 5146353666225 in words is "five trillion, one hundred forty-six billion, three hundred fifty-three million, six hundred sixty-six thousand, two hundred twenty-five".