4218522515025 has 144 divisors (see below), whose sum is σ = 8741497258368. Its totient is φ = 1779297408000.

The previous prime is 4218522515017. The next prime is 4218522515027. The reversal of 4218522515025 is 5205152258124.

4218522515025 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 4218522515025 - 2³ = 4218522515017 is a prime.

It is not an unprimeable number, because it can be changed into a prime (4218522515027) by changing a digit.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 108955420 + ... + 108994130.

It is an arithmetic number, because the mean of its divisors is an integer number (60704842072).

Almost surely, 2^{4218522515025} is an apocalyptic number.

It is an amenable number.

4218522515025 is an abundant number, since it is smaller than the sum of its proper divisors (4522974743343).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

4218522515025 is a wasteful number, since it uses less digits than its factorization.

4218522515025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41032 (or 41020 counting only the distinct ones).

The product of its (nonzero) digits is 320000, while the sum is 42.

The spelling of 4218522515025 in words is "four trillion, two hundred eighteen billion, five hundred twenty-two million, five hundred fifteen thousand, twenty-five".