11201005 has 4 divisors (see below), whose sum is σ = 13441212. Its totient is φ = 8960800.

The previous prime is 11200999. The next prime is 11201017. The reversal of 11201005 is 50010211.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 3467044 + 7733961 = 1862^2 + 2781^2 .

It is not a de Polignac number, because 11201005 - 2³ = 11200997 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11200982 and 11201000.

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, 1120096 + ... + 1120105.

It is an arithmetic number, because the mean of its divisors is an integer number (3360303).

Almost surely, 2^11201005 is an apocalyptic number.

It is an amenable number.

11201005 is a deficient number, since it is larger than the sum of its proper divisors (2240207).

11201005 is an equidigital number, since it uses as much as digits as its factorization.

11201005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2240206.

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

The square root of 11201005 is about 3346.7902533622. The cubic root of 11201005 is about 223.7444803732.

Adding to 11201005 its reverse (50010211), we get a palindrome (61211216).

The spelling of 11201005 in words is "eleven million, two hundred one thousand, five".