11057387320225 has 9 divisors (see below), whose sum is σ = 13711180893753. Its totient is φ = 8845896555120.

The previous prime is 11057387320211. The next prime is 11057387320237. The reversal of 11057387320225 is 52202378375011.

The square root of 11057387320225 is 3325265.

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 602149616289 + 10455237703936 = 775983^2 + 3233456^2 .

It is not a de Polignac number, because 11057387320225 - 2¹¹ = 11057387318177 is a prime.

It is a Duffinian 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 8 ways as a sum of consecutive naturals, for example, 16293799 + ... + 16958851.

Almost surely, 2^{11057387320225} is an apocalyptic number.

11057387320225 is the 3325265-th square number.

11057387320225 is the 1662633-rd centered octagonal number.

It is an amenable number.

11057387320225 is a deficient number, since it is larger than the sum of its proper divisors (2653793573528).

11057387320225 is an frugal number, since it uses more digits than its factorization.

11057387320225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1330116 (or 665058 counting only the distinct ones).

The product of its (nonzero) digits is 705600, while the sum is 46.

The spelling of 11057387320225 in words is "eleven trillion, fifty-seven billion, three hundred eighty-seven million, three hundred twenty thousand, two hundred twenty-five".