11923548025 has 9 divisors (see below), whose sum is σ = 14785876591. Its totient is φ = 9538401640.

The previous prime is 11923547971. The next prime is 11923548029. The reversal of 11923548025 is 52084532911.

It is a happy number.

The square root of 11923548025 is 109195.

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

It can be written as a sum of positive squares in only one way, i.e., 4292477289 + 7631070736 = 65517^2 + 87356^2 .

It is not a de Polignac number, because 11923548025 - 2²⁷ = 11789330297 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11923548029) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 535056 + ... + 556894.

Almost surely, 2^11923548025 is an apocalyptic number.

11923548025 is the 109195-th square number.

11923548025 is the 54598-th centered octagonal number.

It is an amenable number.

11923548025 is a deficient number, since it is larger than the sum of its proper divisors (2862328566).

11923548025 is an frugal number, since it uses more digits than its factorization.

11923548025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43688 (or 21844 counting only the distinct ones).

The product of its (nonzero) digits is 86400, while the sum is 40.

The spelling of 11923548025 in words is "eleven billion, nine hundred twenty-three million, five hundred forty-eight thousand, twenty-five".