1011783323826 has 112 divisors (see below), whose sum is σ = 2523029015808. Its totient is φ = 301574469600.

The previous prime is 1011783323807. The next prime is 1011783323827. The reversal of 1011783323826 is 6283233871101.

It is not an unprimeable number, because it can be changed into a prime (1011783323827) by changing a digit.

It is a polite number, since it can be written in 55 ways as a sum of consecutive naturals, for example, 461215 + ... + 1495421.

It is an arithmetic number, because the mean of its divisors is an integer number (22527044784).

Almost surely, 2^{1011783323826} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1011783323826, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1261514507904).

1011783323826 is an abundant number, since it is smaller than the sum of its proper divisors (1511245691982).

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

1011783323826 is a wasteful number, since it uses less digits than its factorization.

1011783323826 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1034299 (or 1034284 counting only the distinct ones).

The product of its (nonzero) digits is 290304, while the sum is 45.

The spelling of 1011783323826 in words is "one trillion, eleven billion, seven hundred eighty-three million, three hundred twenty-three thousand, eight hundred twenty-six".