11081256644 has 24 divisors (see below), whose sum is σ = 19503321600. Its totient is φ = 5508931680.

The previous prime is 11081256619. The next prime is 11081256677. The reversal of 11081256644 is 44665218011.

11081256644 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 11081256598 and 11081256607.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 930077 + ... + 941915.

It is an arithmetic number, because the mean of its divisors is an integer number (812638400).

Almost surely, 2^11081256644 is an apocalyptic number.

It is an amenable number.

11081256644 is a deficient number, since it is larger than the sum of its proper divisors (8422064956).

11081256644 is a wasteful number, since it uses less digits than its factorization.

11081256644 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13163 (or 13161 counting only the distinct ones).

The product of its (nonzero) digits is 46080, while the sum is 38.

The spelling of 11081256644 in words is "eleven billion, eighty-one million, two hundred fifty-six thousand, six hundred forty-four".