1100204508672 has 200 divisors, whose sum is σ = 3332841430776. Its totient is φ = 361260269568.

The previous prime is 1100204508631. The next prime is 1100204508677. The reversal of 1100204508672 is 2768054020011.

1100204508672 is a `hidden beast` number, since 1 + 100 + 20 + 450 + 86 + 7 + 2 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1100204508677) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 2580648 + ... + 2976600.

Almost surely, 2^{1100204508672} is an apocalyptic number.

1100204508672 is a gapful number since it is divisible by the number (12) 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 1100204508672, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1666420715388).

1100204508672 is an abundant number, since it is smaller than the sum of its proper divisors (2232636922104).

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

1100204508672 is an frugal number, since it uses more digits than its factorization.

1100204508672 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 396050 (or 396025 counting only the distinct ones).

The product of its (nonzero) digits is 26880, while the sum is 36.

Adding to 1100204508672 its reverse (2768054020011), we get a palindrome (3868258528683).

The spelling of 1100204508672 in words is "one trillion, one hundred billion, two hundred four million, five hundred eight thousand, six hundred seventy-two".