11194500989856 has 48 divisors (see below), whose sum is σ = 30932173792800. Its totient is φ = 3535105575168.

The previous prime is 11194500989851. The next prime is 11194500989879. The reversal of 11194500989856 is 65898900549111.

It is a tau number, because it is divible by the number of its divisors (48).

It is not an unprimeable number, because it can be changed into a prime (11194500989851) by changing a digit.

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, 3068666211 + ... + 3068669858.

It is an arithmetic number, because the mean of its divisors is an integer number (644420287350).

Almost surely, 2^{11194500989856} is an apocalyptic number.

11194500989856 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

11194500989856 is an abundant number, since it is smaller than the sum of its proper divisors (19737672802944).

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

11194500989856 is a wasteful number, since it uses less digits than its factorization.

11194500989856 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6137336101 (or 6137336093 counting only the distinct ones).

The product of its (nonzero) digits is 27993600, while the sum is 66.

The spelling of 11194500989856 in words is "eleven trillion, one hundred ninety-four billion, five hundred million, nine hundred eighty-nine thousand, eight hundred fifty-six".