11529725847025 has 27 divisors (see below), whose sum is σ = 14404884388419. Its totient is φ = 9154606634880.

The previous prime is 11529725847023. The next prime is 11529725847089. The reversal of 11529725847025 is 52074852792511.

The square root of 11529725847025 is 3395545.

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

It can be written as a sum of positive squares in 13 ways, for example, as 2221271294449 + 9308454552576 = 1490393^2 + 3050976^2 .

It is not a de Polignac number, because 11529725847025 - 2¹ = 11529725847023 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11529725847023) by changing a digit.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 2325945847 + ... + 2325950803.

Almost surely, 2^{11529725847025} is an apocalyptic number.

11529725847025 is the 3395545-th square number.

11529725847025 is the 1697773-rd centered octagonal number.

It is an amenable number.

11529725847025 is a deficient number, since it is larger than the sum of its proper divisors (2875158541394).

11529725847025 is an frugal number, since it uses more digits than its factorization.

11529725847025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10198 (or 5099 counting only the distinct ones).

The product of its (nonzero) digits is 14112000, while the sum is 58.

The spelling of 11529725847025 in words is "eleven trillion, five hundred twenty-nine billion, seven hundred twenty-five million, eight hundred forty-seven thousand, twenty-five".