11009896992 has 72 divisors (see below), whose sum is σ = 31319608320. Its totient is φ = 3668768640.

The previous prime is 11009896991. The next prime is 11009896999. The reversal of 11009896992 is 29969890011.

It is a tau number, because it is divible by the number of its divisors (72).

It is not an unprimeable number, because it can be changed into a prime (11009896991) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1560609 + ... + 1567647.

It is an arithmetic number, because the mean of its divisors is an integer number (434994560).

Almost surely, 2^11009896992 is an apocalyptic number.

11009896992 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

11009896992 is an abundant number, since it is smaller than the sum of its proper divisors (20309711328).

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

11009896992 is a wasteful number, since it uses less digits than its factorization.

11009896992 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12486 (or 12475 counting only the distinct ones).

The product of its (nonzero) digits is 629856, while the sum is 54.

The spelling of 11009896992 in words is "eleven billion, nine million, eight hundred ninety-six thousand, nine hundred ninety-two".