11129448 has 32 divisors (see below), whose sum is σ = 30353760. Its totient is φ = 3372480.

The previous prime is 11129423. The next prime is 11129449. The reversal of 11129448 is 84492111.

It is a super-2 number, since 2×11129448² = 247729225569408, which contains 22 as substring.

It is a Smith number, since the sum of its digits (30) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (11129449) 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, 20815 + ... + 21342.

It is an arithmetic number, because the mean of its divisors is an integer number (948555).

Almost surely, 2^11129448 is an apocalyptic number.

It is an amenable number.

11129448 is an abundant number, since it is smaller than the sum of its proper divisors (19224312).

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

11129448 is a wasteful number, since it uses less digits than its factorization.

11129448 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42177 (or 42173 counting only the distinct ones).

The product of its digits is 2304, while the sum is 30.

The square root of 11129448 is about 3336.0827327871. The cubic root of 11129448 is about 223.2670024048.

The spelling of 11129448 in words is "eleven million, one hundred twenty-nine thousand, four hundred forty-eight".