11021942013936 has 160 divisors (see below), whose sum is σ = 32592882398208. Its totient is φ = 3144106506240.

The previous prime is 11021942013919. The next prime is 11021942014007. The reversal of 11021942013936 is 63931024912011.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 647541106 + ... + 647558126.

Almost surely, 2^{11021942013936} is an apocalyptic number.

11021942013936 is a gapful number since it is divisible by the number (16) 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 11021942013936, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16296441199104).

11021942013936 is an abundant number, since it is smaller than the sum of its proper divisors (21570940384272).

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

11021942013936 is a wasteful number, since it uses less digits than its factorization.

11021942013936 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19999 (or 19993 counting only the distinct ones).

The product of its (nonzero) digits is 69984, while the sum is 42.

Adding to 11021942013936 its reverse (63931024912011), we get a palindrome (74952966925947).

The spelling of 11021942013936 in words is "eleven trillion, twenty-one billion, nine hundred forty-two million, thirteen thousand, nine hundred thirty-six".