11091987682 has 32 divisors (see below), whose sum is σ = 17535222144. Its totient is φ = 5252016000.

The previous prime is 11091987677. The next prime is 11091987719. The reversal of 11091987682 is 28678919011.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1909182 + ... + 1914982.

It is an arithmetic number, because the mean of its divisors is an integer number (547975692).

Almost surely, 2^11091987682 is an apocalyptic number.

11091987682 is a deficient number, since it is larger than the sum of its proper divisors (6443234462).

11091987682 is a wasteful number, since it uses less digits than its factorization.

11091987682 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6234.

The product of its (nonzero) digits is 435456, while the sum is 52.

The spelling of 11091987682 in words is "eleven billion, ninety-one million, nine hundred eighty-seven thousand, six hundred eighty-two".