1089099783984 has 80 divisors (see below), whose sum is σ = 2872868526432. Its totient is φ = 355403802624.

The previous prime is 1089099783977. The next prime is 1089099784039. The reversal of 1089099783984 is 4893879909801.

It is a super-2 number, since 2×1089099783984² (a number of 25 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 694222 + ... + 1630994.

Almost surely, 2^{1089099783984} 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 1089099783984, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1436434263216).

1089099783984 is an abundant number, since it is smaller than the sum of its proper divisors (1783768742448).

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

1089099783984 is a wasteful number, since it uses less digits than its factorization.

1089099783984 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 937294 (or 937288 counting only the distinct ones).

The product of its (nonzero) digits is 282175488, while the sum is 75.

The spelling of 1089099783984 in words is "one trillion, eighty-nine billion, ninety-nine million, seven hundred eighty-three thousand, nine hundred eighty-four".