11025521 has 8 divisors (see below), whose sum is σ = 11901120. Its totient is φ = 10153872.

The previous prime is 11025517. The next prime is 11025541. The reversal of 11025521 is 12552011.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 11025521 - 2² = 11025517 is a prime.

It is a super-2 number, since 2×11025521² = 243124226642882, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 11025521.

It is not an unprimeable number, because it can be changed into a prime (11025541) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7700 + ... + 9018.

It is an arithmetic number, because the mean of its divisors is an integer number (1487640).

Almost surely, 2^11025521 is an apocalyptic number.

It is an amenable number.

11025521 is a deficient number, since it is larger than the sum of its proper divisors (875599).

11025521 is a wasteful number, since it uses less digits than its factorization.

11025521 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1975.

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

The square root of 11025521 is about 3320.4699968529. The cubic root of 11025521 is about 222.5698707468.

Adding to 11025521 its reverse (12552011), we get a palindrome (23577532).

The spelling of 11025521 in words is "eleven million, twenty-five thousand, five hundred twenty-one".