11209148 has 12 divisors (see below), whose sum is σ = 19790400. Its totient is φ = 5554752.

The previous prime is 11209139. The next prime is 11209157. The reversal of 11209148 is 84190211.

11209148 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (11209139) and next prime (11209157).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11948 + ... + 12851.

It is an arithmetic number, because the mean of its divisors is an integer number (1649200).

Almost surely, 2^11209148 is an apocalyptic number.

It is an amenable number.

11209148 is a deficient number, since it is larger than the sum of its proper divisors (8581252).

11209148 is a wasteful number, since it uses less digits than its factorization.

11209148 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24916 (or 24914 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 26.

The square root of 11209148 is about 3348.0065710808. The cubic root of 11209148 is about 223.7986871153.

Adding to 11209148 its reverse (84190211), we get a palindrome (95399359).

The spelling of 11209148 in words is "eleven million, two hundred nine thousand, one hundred forty-eight".