11008785072 has 80 divisors (see below), whose sum is σ = 28867795200. Its totient is φ = 3614688000.

The previous prime is 11008785071. The next prime is 11008785083. The reversal of 11008785072 is 27058780011.

It is a super-2 number, since 2×11008785072² (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 11008785072.

It is not an unprimeable number, because it can be changed into a prime (11008785071) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 959047 + ... + 970457.

It is an arithmetic number, because the mean of its divisors is an integer number (360847440).

Almost surely, 2^11008785072 is an apocalyptic number.

11008785072 is a gapful number since it is divisible by the number (12) 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 11008785072, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14433897600).

11008785072 is an abundant number, since it is smaller than the sum of its proper divisors (17859010128).

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

11008785072 is a wasteful number, since it uses less digits than its factorization.

11008785072 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11722 (or 11716 counting only the distinct ones).

The product of its (nonzero) digits is 31360, while the sum is 39.

The spelling of 11008785072 in words is "eleven billion, eight million, seven hundred eighty-five thousand, seventy-two".