11013566000 has 80 divisors (see below), whose sum is σ = 26654523168. Its totient is φ = 4401504000.

The previous prime is 11013565993. The next prime is 11013566029. The reversal of 11013566000 is 66531011.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (80).

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, 3480419 + ... + 3483581.

Almost surely, 2^11013566000 is an apocalyptic number.

11013566000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 11013566000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13327261584).

11013566000 is an abundant number, since it is smaller than the sum of its proper divisors (15640957168).

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

11013566000 is a wasteful number, since it uses less digits than its factorization.

11013566000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4927 (or 4911 counting only the distinct ones).

The product of its (nonzero) digits is 540, while the sum is 23.

The spelling of 11013566000 in words is "eleven billion, thirteen million, five hundred sixty-six thousand".