1121849139328 has 256 divisors, whose sum is σ = 2442908160000. Its totient is φ = 511791554560.

The previous prime is 1121849139319. The next prime is 1121849139347. The reversal of 1121849139328 is 8239319481211.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1069445748 + ... + 1069446796.

It is an arithmetic number, because the mean of its divisors is an integer number (9542610000).

Almost surely, 2^{1121849139328} 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 1121849139328, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1221454080000).

1121849139328 is an abundant number, since it is smaller than the sum of its proper divisors (1321059020672).

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

1121849139328 is a wasteful number, since it uses less digits than its factorization.

1121849139328 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1323 (or 1311 counting only the distinct ones).

The product of its digits is 746496, while the sum is 52.

The spelling of 1121849139328 in words is "one trillion, one hundred twenty-one billion, eight hundred forty-nine million, one hundred thirty-nine thousand, three hundred twenty-eight".