1121836939776 has 800 divisors, whose sum is σ = 3935486565120. Its totient is φ = 315451293696.

The previous prime is 1121836939771. The next prime is 1121836939787. The reversal of 1121836939776 is 6779396381211.

1121836939776 is a `hidden beast` number, since 1 + 1 + 2 + 183 + 69 + 397 + 7 + 6 = 666.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is a nude number because it is divisible by every one of its digits.

It is not an unprimeable number, because it can be changed into a prime (1121836939771) by changing a digit.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 2422973721 + ... + 2422974183.

Almost surely, 2^{1121836939776} is an apocalyptic number.

1121836939776 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1121836939776, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1967743282560).

1121836939776 is an abundant number, since it is smaller than the sum of its proper divisors (2813649625344).

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

1121836939776 is an frugal number, since it uses more digits than its factorization.

1121836939776 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 591 (or 548 counting only the distinct ones).

The product of its digits is 20575296, while the sum is 63.

The spelling of 1121836939776 in words is "one trillion, one hundred twenty-one billion, eight hundred thirty-six million, nine hundred thirty-nine thousand, seven hundred seventy-six".