11009943685604 has 24 divisors (see below), whose sum is σ = 20898357962328. Its totient is φ = 5054780456960.

The previous prime is 11009943685603. The next prime is 11009943685607. The reversal of 11009943685604 is 40658634990011.

It can be written as a sum of positive squares in 4 ways, for example, as 3232092031204 + 7777851654400 = 1797802^2 + 2788880^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 11009943685604.

It is not an unprimeable number, because it can be changed into a prime (11009943685603) 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 7 ways as a sum of consecutive naturals, for example, 1974520829 + ... + 1974526404.

It is an arithmetic number, because the mean of its divisors is an integer number (870764915097).

Almost surely, 2^{11009943685604} is an apocalyptic number.

It is an amenable number.

11009943685604 is a deficient number, since it is larger than the sum of its proper divisors (9888414276724).

11009943685604 is a wasteful number, since it uses less digits than its factorization.

11009943685604 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3949047295 (or 3949047293 counting only the distinct ones).

The product of its (nonzero) digits is 5598720, while the sum is 56.

The spelling of 11009943685604 in words is "eleven trillion, nine billion, nine hundred forty-three million, six hundred eighty-five thousand, six hundred four".