11065775644 has 36 divisors (see below), whose sum is σ = 24574649400. Its totient is φ = 4311340320.

The previous prime is 11065775641. The next prime is 11065775657. The reversal of 11065775644 is 44657756011.

It is a super-2 number, since 2×11065775644² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 11065775594 and 11065775603.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11065775641) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2564119 + ... + 2568430.

It is an arithmetic number, because the mean of its divisors is an integer number (682629150).

Almost surely, 2^11065775644 is an apocalyptic number.

11065775644 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

11065775644 is an abundant number, since it is smaller than the sum of its proper divisors (13508873756).

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

11065775644 is a wasteful number, since it uses less digits than its factorization.

11065775644 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5132578 (or 5132569 counting only the distinct ones).

The product of its (nonzero) digits is 705600, while the sum is 46.

The spelling of 11065775644 in words is "eleven billion, sixty-five million, seven hundred seventy-five thousand, six hundred forty-four".