11018977044 has 12 divisors (see below), whose sum is σ = 25710946464. Its totient is φ = 3672992344.

The previous prime is 11018977033. The next prime is 11018977129. The reversal of 11018977044 is 44077981011.

It is a tau number, because it is divible by the number of its divisors (12).

It is a junction number, because it is equal to n+sod(n) for n = 11018976987 and 11018977005.

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, 459124032 + ... + 459124055.

It is an arithmetic number, because the mean of its divisors is an integer number (2142578872).

Almost surely, 2^11018977044 is an apocalyptic number.

It is an amenable number.

11018977044 is an abundant number, since it is smaller than the sum of its proper divisors (14691969420).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11018977044 is a wasteful number, since it uses less digits than its factorization.

11018977044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 918248094 (or 918248092 counting only the distinct ones).

The product of its (nonzero) digits is 56448, while the sum is 42.

The spelling of 11018977044 in words is "eleven billion, eighteen million, nine hundred seventy-seven thousand, forty-four".