9126216725 has 12 divisors (see below), whose sum is σ = 11319629664. Its totient is φ = 7298959920.

The previous prime is 9126216707. The next prime is 9126216727. The reversal of 9126216725 is 5276126219.

9126216725 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 9126216725 - 2⁶ = 9126216661 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 (9126216727) 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 11 ways as a sum of consecutive naturals, for example, 45722 + ... + 142628.

It is an arithmetic number, because the mean of its divisors is an integer number (943302472).

Almost surely, 2^9126216725 is an apocalyptic number.

It is an amenable number.

9126216725 is a deficient number, since it is larger than the sum of its proper divisors (2193412939).

9126216725 is a wasteful number, since it uses less digits than its factorization.

9126216725 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 100684 (or 100679 counting only the distinct ones).

The product of its digits is 90720, while the sum is 41.

The square root of 9126216725 is about 95531.2342901525. The cubic root of 9126216725 is about 2089.7624727200.

The spelling of 9126216725 in words is "nine billion, one hundred twenty-six million, two hundred sixteen thousand, seven hundred twenty-five".