11105040 has 40 divisors (see below), whose sum is σ = 34426368. Its totient is φ = 2961280.

The previous prime is 11105033. The next prime is 11105047. The reversal of 11105040 is 4050111.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (11105033) and next prime (11105047).

It is a tau number, because it is divible by the number of its divisors (40).

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a nialpdrome in base 16.

It is not an unprimeable number, because it can be changed into a prime (11105047) 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, 22896 + ... + 23375.

Almost surely, 2^11105040 is an apocalyptic number.

11105040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11105040 is an abundant number, since it is smaller than the sum of its proper divisors (23321328).

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

11105040 is a wasteful number, since it uses less digits than its factorization.

11105040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46287 (or 46281 counting only the distinct ones).

The product of its (nonzero) digits is 20, while the sum is 12.

The square root of 11105040 is about 3332.4225422356. The cubic root of 11105040 is about 223.1036672713.

Adding to 11105040 its reverse (4050111), we get a palindrome (15155151).

The spelling of 11105040 in words is "eleven million, one hundred five thousand, forty".