1121740887696 has 320 divisors, whose sum is σ = 3427700613120. Its totient is φ = 311637841920.

The previous prime is 1121740887679. The next prime is 1121740887713. The reversal of 1121740887696 is 6967880471211.

It is an interprime number because it is at equal distance from previous prime (1121740887679) and next prime (1121740887713).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1016990281 + ... + 1016991383.

It is an arithmetic number, because the mean of its divisors is an integer number (10711564416).

Almost surely, 2^{1121740887696} is an apocalyptic number.

1121740887696 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 1121740887696, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1713850306560).

1121740887696 is an abundant number, since it is smaller than the sum of its proper divisors (2305959725424).

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

1121740887696 is a wasteful number, since it uses less digits than its factorization.

1121740887696 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2014 (or 2008 counting only the distinct ones).

The product of its (nonzero) digits is 8128512, while the sum is 60.

The spelling of 1121740887696 in words is "one trillion, one hundred twenty-one billion, seven hundred forty million, eight hundred eighty-seven thousand, six hundred ninety-six".