11026268820 has 72 divisors (see below), whose sum is σ = 38224402944. Its totient is φ = 2520289728.

The previous prime is 11026268797. The next prime is 11026268849. The reversal of 11026268820 is 2886262011.

11026268820 is a `hidden beast` number, since 1 + 1 + 0 + 2 + 626 + 8 + 8 + 20 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4374244 + ... + 4376763.

Almost surely, 2^11026268820 is an apocalyptic number.

11026268820 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11026268820 is an abundant number, since it is smaller than the sum of its proper divisors (27198134124).

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

11026268820 is a wasteful number, since it uses less digits than its factorization.

11026268820 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8751029 (or 8751024 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 36.

The spelling of 11026268820 in words is "eleven billion, twenty-six million, two hundred sixty-eight thousand, eight hundred twenty".