9151623277225 has 81 divisors (see below), whose sum is σ = 13509931068837. Its totient is φ = 6142295016000.

The previous prime is 9151623277169. The next prime is 9151623277301. The reversal of 9151623277225 is 5227723261519.

The square root of 9151623277225 is 3025165.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in 4 ways, for example, as 2358844437609 + 6792778839616 = 1535853^2 + 2606296^2 .

It is not a de Polignac number, because 9151623277225 - 2¹¹ = 9151623275177 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 80 ways as a sum of consecutive naturals, for example, 2162990860 + ... + 2162995090.

Almost surely, 2^{9151623277225} is an apocalyptic number.

9151623277225 is the 3025165-th square number.

9151623277225 is the 1512583-rd centered octagonal number.

It is an amenable number.

9151623277225 is a deficient number, since it is larger than the sum of its proper divisors (4358307791612).

9151623277225 is an equidigital number, since it uses as much as digits as its factorization.

9151623277225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8520 (or 4260 counting only the distinct ones).

The product of its digits is 3175200, while the sum is 52.

The spelling of 9151623277225 in words is "nine trillion, one hundred fifty-one billion, six hundred twenty-three million, two hundred seventy-seven thousand, two hundred twenty-five".