11220545044 has 12 divisors (see below), whose sum is σ = 20092604224. Its totient is φ = 5479800984.

The previous prime is 11220545033. The next prime is 11220545069. The reversal of 11220545044 is 44054502211.

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, 32617692 + ... + 32618035.

Almost surely, 2^11220545044 is an apocalyptic number.

It is an amenable number.

11220545044 is a deficient number, since it is larger than the sum of its proper divisors (8872059180).

11220545044 is a wasteful number, since it uses less digits than its factorization.

11220545044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65235774 (or 65235772 counting only the distinct ones).

The product of its (nonzero) digits is 6400, while the sum is 28.

The spelling of 11220545044 in words is "eleven billion, two hundred twenty million, five hundred forty-five thousand, forty-four".