11044213165503 has 48 divisors (see below), whose sum is σ = 18413399284800. Its totient is φ = 6248096870400.

The previous prime is 11044213165501. The next prime is 11044213165519. The reversal of 11044213165503 is 30556131244011.

11044213165503 is a `hidden beast` number, since 1 + 1 + 0 + 44 + 21 + 31 + 65 + 503 = 666.

It is not a de Polignac number, because 11044213165503 - 2¹ = 11044213165501 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11044213165501) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 120908613 + ... + 120999921.

It is an arithmetic number, because the mean of its divisors is an integer number (383612485100).

Almost surely, 2^{11044213165503} is an apocalyptic number.

11044213165503 is a deficient number, since it is larger than the sum of its proper divisors (7369186119297).

11044213165503 is a wasteful number, since it uses less digits than its factorization.

11044213165503 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 110432 (or 110429 counting only the distinct ones).

The product of its (nonzero) digits is 43200, while the sum is 36.

The spelling of 11044213165503 in words is "eleven trillion, forty-four billion, two hundred thirteen million, one hundred sixty-five thousand, five hundred three".