9906275125 has 8 divisors (see below), whose sum is σ = 12363031512. Its totient is φ = 7925020000.

The previous prime is 9906275089. The next prime is 9906275129. The reversal of 9906275125 is 5215726099.

It can be written as a sum of positive squares in 4 ways, for example, as 37442161 + 9868832964 = 6119^2 + 99342^2 .

It is not a de Polignac number, because 9906275125 - 2¹¹ = 9906273077 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9906275129) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 39624976 + ... + 39625225.

It is an arithmetic number, because the mean of its divisors is an integer number (1545378939).

Almost surely, 2^9906275125 is an apocalyptic number.

It is an amenable number.

9906275125 is a deficient number, since it is larger than the sum of its proper divisors (2456756387).

9906275125 is an equidigital number, since it uses as much as digits as its factorization.

9906275125 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 79250216 (or 79250206 counting only the distinct ones).

The product of its (nonzero) digits is 340200, while the sum is 46.

The square root of 9906275125 is about 99530.2724049322. The cubic root of 9906275125 is about 2147.6827476579.

The spelling of 9906275125 in words is "nine billion, nine hundred six million, two hundred seventy-five thousand, one hundred twenty-five".