11026820780808 has 48 divisors (see below), whose sum is σ = 32067795131280. Its totient is φ = 3150520222752.

The previous prime is 11026820780791. The next prime is 11026820780869. The reversal of 11026820780808 is 80808702862011.

It is a super-2 number, since 2×11026820780808² (a number of 27 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4688272966 + ... + 4688275317.

It is an arithmetic number, because the mean of its divisors is an integer number (668079065235).

Almost surely, 2^{11026820780808} is an apocalyptic number.

It is an amenable number.

11026820780808 is an abundant number, since it is smaller than the sum of its proper divisors (21040974350472).

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

11026820780808 is a wasteful number, since it uses less digits than its factorization.

11026820780808 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9376548306 (or 9376548295 counting only the distinct ones).

The product of its (nonzero) digits is 688128, while the sum is 51.

The spelling of 11026820780808 in words is "eleven trillion, twenty-six billion, eight hundred twenty million, seven hundred eighty thousand, eight hundred eight".