11215488 has 32 divisors (see below), whose sum is σ = 29792160. Its totient is φ = 3738368.

The previous prime is 11215483. The next prime is 11215507. The reversal of 11215488 is 88451211.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (32).

It is not an unprimeable number, because it can be changed into a prime (11215481) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14220 + ... + 14987.

It is an arithmetic number, because the mean of its divisors is an integer number (931005).

Almost surely, 2^11215488 is an apocalyptic number.

It is an amenable number.

11215488 is an abundant number, since it is smaller than the sum of its proper divisors (18576672).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11215488 is an equidigital number, since it uses as much as digits as its factorization.

11215488 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29224 (or 29212 counting only the distinct ones).

The product of its digits is 2560, while the sum is 30.

The square root of 11215488 is about 3348.9532693067. The cubic root of 11215488 is about 223.8408733799.

Adding to 11215488 its reverse (88451211), we get a palindrome (99666699).

The spelling of 11215488 in words is "eleven million, two hundred fifteen thousand, four hundred eighty-eight".