11105472 has 56 divisors (see below), whose sum is σ = 33584896. Its totient is φ = 3172608.

The previous prime is 11105467. The next prime is 11105473. The reversal of 11105472 is 27450111.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (56).

It is a Harshad number since it is a multiple of its sum of digits (21).

It is not an unprimeable number, because it can be changed into a prime (11105473) 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, 2788 + ... + 5475.

Almost surely, 2^11105472 is an apocalyptic number.

11105472 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

11105472 is an abundant number, since it is smaller than the sum of its proper divisors (22479424).

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

11105472 is an equidigital number, since it uses as much as digits as its factorization.

11105472 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8285 (or 8275 counting only the distinct ones).

The product of its (nonzero) digits is 280, while the sum is 21.

The square root of 11105472 is about 3332.4873593159. The cubic root of 11105472 is about 223.1065602381.

Adding to 11105472 its reverse (27450111), we get a palindrome (38555583).

The spelling of 11105472 in words is "eleven million, one hundred five thousand, four hundred seventy-two".