11105012 has 12 divisors (see below), whose sum is σ = 20577060. Its totient is φ = 5225856.

The previous prime is 11105011. The next prime is 11105033. The reversal of 11105012 is 21050111.

It can be written as a sum of positive squares in 2 ways, for example, as 10010896 + 1094116 = 3164^2 + 1046^2 .

It is a junction number, because it is equal to n+sod(n) for n = 11104984 and 11105002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11105011) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 81587 + ... + 81722.

It is an arithmetic number, because the mean of its divisors is an integer number (1714755).

Almost surely, 2^11105012 is an apocalyptic number.

It is an amenable number.

11105012 is a deficient number, since it is larger than the sum of its proper divisors (9472048).

11105012 is a wasteful number, since it uses less digits than its factorization.

11105012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 163330 (or 163328 counting only the distinct ones).

The product of its (nonzero) digits is 10, while the sum is 11.

The square root of 11105012 is about 3332.4183410850. The cubic root of 11105012 is about 223.1034797616.

Adding to 11105012 its reverse (21050111), we get a palindrome (32155123).

The spelling of 11105012 in words is "eleven million, one hundred five thousand, twelve".