11010911000 has 64 divisors (see below), whose sum is σ = 25788672000. Its totient is φ = 4400409600.

The previous prime is 11010910997. The next prime is 11010911017. The reversal of 11010911000 is 11901011.

It is a happy number.

It is a super-2 number, since 2×11010911000² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 1274696 + ... + 1283304.

It is an arithmetic number, because the mean of its divisors is an integer number (402948000).

Almost surely, 2^11010911000 is an apocalyptic number.

11010911000 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 11010911000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12894336000).

11010911000 is an abundant number, since it is smaller than the sum of its proper divisors (14777761000).

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

11010911000 is a wasteful number, since it uses less digits than its factorization.

11010911000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9909 (or 9895 counting only the distinct ones).

The product of its (nonzero) digits is 9, while the sum is 14.

The spelling of 11010911000 in words is "eleven billion, ten million, nine hundred eleven thousand".