4282115221085 has 16 divisors (see below), whose sum is σ = 5535377056944. Its totient is φ = 3161282184192.

The previous prime is 4282115221063. The next prime is 4282115221147. The reversal of 4282115221085 is 5801225112824.

It can be written as a sum of positive squares in 8 ways, for example, as 9766775929 + 4272348445156 = 98827^2 + 2066966^2 .

It is a cyclic number.

It is not a de Polignac number, because 4282115221085 - 2²⁰ = 4282114172509 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 (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9093692 + ... + 9552981.

It is an arithmetic number, because the mean of its divisors is an integer number (345961066059).

Almost surely, 2^{4282115221085} is an apocalyptic number.

It is an amenable number.

4282115221085 is a deficient number, since it is larger than the sum of its proper divisors (1253261835859).

4282115221085 is a wasteful number, since it uses less digits than its factorization.

4282115221085 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18650224.

The product of its (nonzero) digits is 102400, while the sum is 41.

The spelling of 4282115221085 in words is "four trillion, two hundred eighty-two billion, one hundred fifteen million, two hundred twenty-one thousand, eighty-five".