11051640640444 has 6 divisors (see below), whose sum is σ = 19340371120784. Its totient is φ = 5525820320220.

The previous prime is 11051640640433. The next prime is 11051640640451. The reversal of 11051640640444 is 44404604615011.

It is a junction number, because it is equal to n+sod(n) for n = 11051640640397 and 11051640640406.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1381455080052 + ... + 1381455080059.

Almost surely, 2^{11051640640444} is an apocalyptic number.

It is an amenable number.

11051640640444 is a deficient number, since it is larger than the sum of its proper divisors (8288730480340).

11051640640444 is a wasteful number, since it uses less digits than its factorization.

11051640640444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2762910160115 (or 2762910160113 counting only the distinct ones).

The product of its (nonzero) digits is 184320, while the sum is 40.

The spelling of 11051640640444 in words is "eleven trillion, fifty-one billion, six hundred forty million, six hundred forty thousand, four hundred forty-four".