11021826685920 has 576 divisors, whose sum is σ = 37154394869760. Its totient is φ = 2743234560000.

The previous prime is 11021826685847. The next prime is 11021826685921. The reversal of 11021826685920 is 2958662812011.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11021826685921) 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 95 ways as a sum of consecutive naturals, for example, 2226179445 + ... + 2226184395.

It is an arithmetic number, because the mean of its divisors is an integer number (64504157760).

Almost surely, 2^{11021826685920} is an apocalyptic number.

11021826685920 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 11021826685920, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (18577197434880).

11021826685920 is an abundant number, since it is smaller than the sum of its proper divisors (26132568183840).

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

11021826685920 is a wasteful number, since it uses less digits than its factorization.

11021826685920 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5171 (or 5122 counting only the distinct ones).

The product of its (nonzero) digits is 829440, while the sum is 51.

The spelling of 11021826685920 in words is "eleven trillion, twenty-one billion, eight hundred twenty-six million, six hundred eighty-five thousand, nine hundred twenty".