4612128221525 has 24 divisors (see below), whose sum is σ = 6241274532864. Its totient is φ = 3353026198400.

The previous prime is 4612128221461. The next prime is 4612128221531. The reversal of 4612128221525 is 5251228212164.

It is not a de Polignac number, because 4612128221525 - 2⁶ = 4612128221461 is a prime.

It is a Duffinian number.

It is a congruent number.

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 23 ways as a sum of consecutive naturals, for example, 2381912 + ... + 3859761.

It is an arithmetic number, because the mean of its divisors is an integer number (260053105536).

Almost surely, 2^{4612128221525} is an apocalyptic number.

It is an amenable number.

4612128221525 is a deficient number, since it is larger than the sum of its proper divisors (1629146311339).

4612128221525 is a wasteful number, since it uses less digits than its factorization.

4612128221525 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6244381 (or 6244376 counting only the distinct ones).

The product of its digits is 153600, while the sum is 41.

The spelling of 4612128221525 in words is "four trillion, six hundred twelve billion, one hundred twenty-eight million, two hundred twenty-one thousand, five hundred twenty-five".