11215214044 has 12 divisors (see below), whose sum is σ = 19781165824. Its totient is φ = 5563452384.

The previous prime is 11215214029. The next prime is 11215214047. The reversal of 11215214044 is 44041251211.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11215214047) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11038089 + ... + 11039104.

Almost surely, 2^11215214044 is an apocalyptic number.

It is an amenable number.

11215214044 is a deficient number, since it is larger than the sum of its proper divisors (8565951780).

11215214044 is a wasteful number, since it uses less digits than its factorization.

11215214044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22077324 (or 22077322 counting only the distinct ones).

The product of its (nonzero) digits is 1280, while the sum is 25.

Adding to 11215214044 its reverse (44041251211), we get a palindrome (55256465255).

The spelling of 11215214044 in words is "eleven billion, two hundred fifteen million, two hundred fourteen thousand, forty-four".