3811222866248 has 64 divisors (see below), whose sum is σ = 8263940818560. Its totient is φ = 1614026704896.

The previous prime is 3811222866179. The next prime is 3811222866323. The reversal of 3811222866248 is 8426682221183.

It is a self number, because there is not a number n which added to its sum of digits gives 3811222866248.

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 15 ways as a sum of consecutive naturals, for example, 2947190 + ... + 4038362.

It is an arithmetic number, because the mean of its divisors is an integer number (129124075290).

Almost surely, 2^{3811222866248} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3811222866248, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4131970409280).

3811222866248 is an abundant number, since it is smaller than the sum of its proper divisors (4452717952312).

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

3811222866248 is a wasteful number, since it uses less digits than its factorization.

3811222866248 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1091926 (or 1091922 counting only the distinct ones).

The product of its digits is 3538944, while the sum is 53.

The spelling of 3811222866248 in words is "three trillion, eight hundred eleven billion, two hundred twenty-two million, eight hundred sixty-six thousand, two hundred forty-eight".