11085866649 has 48 divisors (see below), whose sum is σ = 18841804800. Its totient is φ = 6192184320.

The previous prime is 11085866633. The next prime is 11085866653. The reversal of 11085866649 is 94666858011.

It is not a de Polignac number, because 11085866649 - 2⁴ = 11085866633 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 11085866595 and 11085866604.

It is not an unprimeable number, because it can be changed into a prime (11085866149) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 859752 + ... + 872550.

It is an arithmetic number, because the mean of its divisors is an integer number (392537600).

Almost surely, 2^11085866649 is an apocalyptic number.

It is an amenable number.

11085866649 is a deficient number, since it is larger than the sum of its proper divisors (7755938151).

11085866649 is a wasteful number, since it uses less digits than its factorization.

11085866649 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13502 (or 13499 counting only the distinct ones).

The product of its (nonzero) digits is 2488320, while the sum is 54.

The spelling of 11085866649 in words is "eleven billion, eighty-five million, eight hundred sixty-six thousand, six hundred forty-nine".