11552215 has 8 divisors (see below), whose sum is σ = 14006160. Its totient is φ = 9146112.

The previous prime is 11552213. The next prime is 11552227. The reversal of 11552215 is 51225511.

It is a happy number.

11552215 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 11552215 - 2¹ = 11552213 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11552213) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11425 + ... + 12394.

It is an arithmetic number, because the mean of its divisors is an integer number (1750770).

Almost surely, 2^11552215 is an apocalyptic number.

11552215 is a deficient number, since it is larger than the sum of its proper divisors (2453945).

11552215 is an equidigital number, since it uses as much as digits as its factorization.

11552215 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23921.

The product of its digits is 500, while the sum is 22.

The square root of 11552215 is about 3398.8549542456. The cubic root of 11552215 is about 226.0589751329.

Adding to 11552215 its reverse (51225511), we get a palindrome (62777726).

The spelling of 11552215 in words is "eleven million, five hundred fifty-two thousand, two hundred fifteen".