11019814992 has 80 divisors (see below), whose sum is σ = 31656842880. Its totient is φ = 3670265088.

The previous prime is 11019814963. The next prime is 11019814999. The reversal of 11019814992 is 29941891011.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11019814999) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 553108 + ... + 572684.

It is an arithmetic number, because the mean of its divisors is an integer number (395710536).

Almost surely, 2^11019814992 is an apocalyptic number.

11019814992 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

11019814992 is an abundant number, since it is smaller than the sum of its proper divisors (20637027888).

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

11019814992 is a wasteful number, since it uses less digits than its factorization.

11019814992 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20897 (or 20885 counting only the distinct ones).

The product of its (nonzero) digits is 46656, while the sum is 45.

The spelling of 11019814992 in words is "eleven billion, nineteen million, eight hundred fourteen thousand, nine hundred ninety-two".