1099528404992 has 50 divisors (see below), whose sum is σ = 2199090298878. Its totient is φ = 549755813888.

The previous prime is 1099528404979. The next prime is 1099528405013. The reversal of 1099528404992 is 2994048259901.

It can be written as a sum of positive squares in only one way, i.e., 1099511627776 + 16777216 = 1048576^2 + 4096^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (2) of ones.

In principle, a polygon with 1099528404992 sides can be constructed with ruler and compass.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16744448 + ... + 16809984.

Almost surely, 2^{1099528404992} 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 1099528404992, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1099545149439).

1099528404992 is an abundant number, since it is smaller than the sum of its proper divisors (1099561893886).

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

1099528404992 is an frugal number, since it uses more digits than its factorization.

1099528404992 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65585 (or 65539 counting only the distinct ones).

The product of its (nonzero) digits is 16796160, while the sum is 62.

The spelling of 1099528404992 in words is "one trillion, ninety-nine billion, five hundred twenty-eight million, four hundred four thousand, nine hundred ninety-two".