11500025 has 12 divisors (see below), whose sum is σ = 14495724. Its totient is φ = 9048000.

The previous prime is 11500003. The next prime is 11500031. The reversal of 11500025 is 52000511.

It can be written as a sum of positive squares in 6 ways, for example, as 4376464 + 7123561 = 2092^2 + 2669^2 .

It is not a de Polignac number, because 11500025 - 2¹⁰ = 11499001 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11499982 and 11500009.

It is an unprimeable number.

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, 2246 + ... + 5295.

It is an arithmetic number, because the mean of its divisors is an integer number (1207977).

Almost surely, 2^11500025 is an apocalyptic number.

It is an amenable number.

11500025 is a deficient number, since it is larger than the sum of its proper divisors (2995699).

11500025 is an equidigital number, since it uses as much as digits as its factorization.

11500025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7612 (or 7607 counting only the distinct ones).

The product of its (nonzero) digits is 50, while the sum is 14.

The square root of 11500025 is about 3391.1686776095. The cubic root of 11500025 is about 225.7180353373.

Adding to 11500025 its reverse (52000511), we get a palindrome (63500536).

The spelling of 11500025 in words is "eleven million, five hundred thousand, twenty-five".