4425135521545 has 16 divisors (see below), whose sum is σ = 5590714875840. Its totient is φ = 3353144917824.

The previous prime is 4425135521539. The next prime is 4425135521561. The reversal of 4425135521545 is 5451255315244.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 4425135521545 - 2⁹ = 4425135521033 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 4425135521495 and 4425135521504.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 3959182 + ... + 4952311.

It is an arithmetic number, because the mean of its divisors is an integer number (349419679740).

Almost surely, 2^{4425135521545} is an apocalyptic number.

It is an amenable number.

4425135521545 is a deficient number, since it is larger than the sum of its proper divisors (1165579354295).

4425135521545 is a wasteful number, since it uses less digits than its factorization.

4425135521545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8916744.

The product of its digits is 2400000, while the sum is 46.

The spelling of 4425135521545 in words is "four trillion, four hundred twenty-five billion, one hundred thirty-five million, five hundred twenty-one thousand, five hundred forty-five".