11005625 has 10 divisors (see below), whose sum is σ = 13753410. Its totient is φ = 8804000.

The previous prime is 11005619. The next prime is 11005627. The reversal of 11005625 is 52650011.

It can be written as a sum of positive squares in 5 ways, for example, as 3013696 + 7991929 = 1736^2 + 2827^2 .

It is not a de Polignac number, because 11005625 - 2⁸ = 11005369 is a prime.

It is a super-2 number, since 2×11005625² = 242247563281250, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 11005597 and 11005606.

It is not an unprimeable number, because it can be changed into a prime (11005627) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 8180 + ... + 9429.

It is an arithmetic number, because the mean of its divisors is an integer number (1375341).

Almost surely, 2^11005625 is an apocalyptic number.

It is an amenable number.

11005625 is a deficient number, since it is larger than the sum of its proper divisors (2747785).

11005625 is an frugal number, since it uses more digits than its factorization.

11005625 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17629 (or 17614 counting only the distinct ones).

The product of its (nonzero) digits is 300, while the sum is 20.

The square root of 11005625 is about 3317.4726826306. The cubic root of 11005625 is about 222.4359113486.

Adding to 11005625 its reverse (52650011), we get a palindrome (63655636).

The spelling of 11005625 in words is "eleven million, five thousand, six hundred twenty-five".