11155445 has 16 divisors (see below), whose sum is σ = 15415680. Its totient is φ = 7591104.

The previous prime is 11155423. The next prime is 11155453. The reversal of 11155445 is 54455111.

It is a cyclic number.

It is not a de Polignac number, because 11155445 - 2¹⁰ = 11154421 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3719 + ... + 6011.

It is an arithmetic number, because the mean of its divisors is an integer number (963480).

Almost surely, 2^11155445 is an apocalyptic number.

It is an amenable number.

11155445 is a deficient number, since it is larger than the sum of its proper divisors (4260235).

11155445 is a wasteful number, since it uses less digits than its factorization.

11155445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2444.

The product of its digits is 2000, while the sum is 26.

The square root of 11155445 is about 3339.9767963266. The cubic root of 11155445 is about 223.4407084971.

The spelling of 11155445 in words is "eleven million, one hundred fifty-five thousand, four hundred forty-five".