1121342336766 has 128 divisors (see below), whose sum is σ = 2685108096000. Its totient is φ = 346009200768.

The previous prime is 1121342336747. The next prime is 1121342336801. The reversal of 1121342336766 is 6676332431211.

1121342336766 is a `hidden beast` number, since 1 + 1 + 213 + 42 + 336 + 7 + 66 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 5724940 + ... + 5917568.

It is an arithmetic number, because the mean of its divisors is an integer number (20977407000).

Almost surely, 2^{1121342336766} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1121342336766, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1342554048000).

1121342336766 is an abundant number, since it is smaller than the sum of its proper divisors (1563765759234).

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

1121342336766 is a wasteful number, since it uses less digits than its factorization.

1121342336766 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 192815 (or 192809 counting only the distinct ones).

The product of its digits is 653184, while the sum is 45.

Adding to 1121342336766 its reverse (6676332431211), we get a palindrome (7797674767977).

The spelling of 1121342336766 in words is "one trillion, one hundred twenty-one billion, three hundred forty-two million, three hundred thirty-six thousand, seven hundred sixty-six".