1121799814608 has 240 divisors, whose sum is σ = 3294830867328. Its totient is φ = 328421068800.

The previous prime is 1121799814601. The next prime is 1121799814621. The reversal of 1121799814608 is 8064189971211.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1121799814601) by changing a digit.

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 47 ways as a sum of consecutive naturals, for example, 24504316 + ... + 24550052.

Almost surely, 2^{1121799814608} 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 1121799814608, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1647415433664).

1121799814608 is an abundant number, since it is smaller than the sum of its proper divisors (2173031052720).

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

1121799814608 is a wasteful number, since it uses less digits than its factorization.

1121799814608 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45914 (or 45897 counting only the distinct ones).

The product of its (nonzero) digits is 1741824, while the sum is 57.

The spelling of 1121799814608 in words is "one trillion, one hundred twenty-one billion, seven hundred ninety-nine million, eight hundred fourteen thousand, six hundred eight".