4125421056025 has 24 divisors (see below), whose sum is σ = 5446360332504. Its totient is φ = 3089038003200.

The previous prime is 4125421056017. The next prime is 4125421056091. The reversal of 4125421056025 is 5206501245214.

It can be written as a sum of positive squares in 12 ways, for example, as 3092378522256 + 1033042533769 = 1758516^2 + 1016387^2 .

It is not a de Polignac number, because 4125421056025 - 2³ = 4125421056017 is a prime.

It is a Duffinian number.

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, 26737642 + ... + 26891491.

It is an arithmetic number, because the mean of its divisors is an integer number (226931680521).

Almost surely, 2^{4125421056025} is an apocalyptic number.

It is an amenable number.

4125421056025 is a deficient number, since it is larger than the sum of its proper divisors (1320939276479).

4125421056025 is a wasteful number, since it uses less digits than its factorization.

4125421056025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53629341 (or 53629336 counting only the distinct ones).

The product of its (nonzero) digits is 96000, while the sum is 37.

The spelling of 4125421056025 in words is "four trillion, one hundred twenty-five billion, four hundred twenty-one million, fifty-six thousand, twenty-five".