11215025 has 24 divisors (see below), whose sum is σ = 14880000. Its totient is φ = 8366400.

The previous prime is 11215003. The next prime is 11215027. The reversal of 11215025 is 52051211.

It is not a de Polignac number, because 11215025 - 2¹² = 11210929 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 11214994 and 11215012.

It is not an unprimeable number, because it can be changed into a prime (11215027) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 22226 + ... + 22724.

It is an arithmetic number, because the mean of its divisors is an integer number (620000).

Almost surely, 2^11215025 is an apocalyptic number.

It is an amenable number.

11215025 is a deficient number, since it is larger than the sum of its proper divisors (3664975).

11215025 is a wasteful number, since it uses less digits than its factorization.

11215025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 569 (or 564 counting only the distinct ones).

The product of its (nonzero) digits is 100, while the sum is 17.

The square root of 11215025 is about 3348.8841425167. The cubic root of 11215025 is about 223.8377931231.

Adding to 11215025 its reverse (52051211), we get a palindrome (63266236).

The spelling of 11215025 in words is "eleven million, two hundred fifteen thousand, twenty-five".