11640025 has 12 divisors (see below), whose sum is σ = 14476752. Its totient is φ = 9284240.

The previous prime is 11640007. The next prime is 11640061. The reversal of 11640025 is 52004611.

It is not a de Polignac number, because 11640025 - 2⁷ = 11639897 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11639984 and 11640011.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 13662 + ... + 14488.

It is an arithmetic number, because the mean of its divisors is an integer number (1206396).

Almost surely, 2^11640025 is an apocalyptic number.

It is an amenable number.

11640025 is a deficient number, since it is larger than the sum of its proper divisors (2836727).

11640025 is an equidigital number, since it uses as much as digits as its factorization.

11640025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1400 (or 1395 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 19.

The square root of 11640025 is about 3411.7480856593. The cubic root of 11640025 is about 226.6302986154.

Adding to 11640025 its reverse (52004611), we get a palindrome (63644636).

The spelling of 11640025 in words is "eleven million, six hundred forty thousand, twenty-five".