11177217044 has 12 divisors (see below), whose sum is σ = 22354434144. Its totient is φ = 4790235864.

The previous prime is 11177217017. The next prime is 11177217049. The reversal of 11177217044 is 44071277111.

11177217044 is an admirable number.

It is a junction number, because it is equal to n+sod(n) for n = 11177216995 and 11177217013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11177217049) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 199593134 + ... + 199593189.

It is an arithmetic number, because the mean of its divisors is an integer number (1862869512).

Almost surely, 2^11177217044 is an apocalyptic number.

11177217044 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

11177217044 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

11177217044 is a wasteful number, since it uses less digits than its factorization.

11177217044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 399186334 (or 399186332 counting only the distinct ones).

The product of its (nonzero) digits is 10976, while the sum is 35.

The spelling of 11177217044 in words is "eleven billion, one hundred seventy-seven million, two hundred seventeen thousand, forty-four".