9112321601 has 6 divisors (see below), whose sum is σ = 9310328130. Its totient is φ = 8918440256.

The previous prime is 9112321553. The next prime is 9112321607. The reversal of 9112321601 is 1061232119.

9112321601 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 8906829376 + 205492225 = 94376^2 + 14335^2 .

It is a de Polignac number, because none of the positive numbers 2^k-9112321601 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (9112321607) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2060336 + ... + 2064753.

It is an arithmetic number, because the mean of its divisors is an integer number (1551721355).

Almost surely, 2^9112321601 is an apocalyptic number.

It is an amenable number.

9112321601 is a deficient number, since it is larger than the sum of its proper divisors (198006529).

9112321601 is an equidigital number, since it uses as much as digits as its factorization.

9112321601 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4125183 (or 4125136 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 26.

The square root of 9112321601 is about 95458.4810323315. The cubic root of 9112321601 is about 2088.7013445050.

The spelling of 9112321601 in words is "nine billion, one hundred twelve million, three hundred twenty-one thousand, six hundred one".