11100959971200 has 1536 divisors, whose sum is σ = 45106370150400. Its totient is φ = 2643840000000.

The previous prime is 11100959971193. The next prime is 11100959971201. The reversal of 11100959971200 is 217995900111.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11100959971201) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 14781570825 + ... + 14781571575.

It is an arithmetic number, because the mean of its divisors is an integer number (29366126400).

Almost surely, 2^{11100959971200} is an apocalyptic number.

11100959971200 is a gapful number since it is divisible by the number (10) 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 11100959971200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (22553185075200).

11100959971200 is an abundant number, since it is smaller than the sum of its proper divisors (34005410179200).

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

11100959971200 is a wasteful number, since it uses less digits than its factorization.

11100959971200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1049 (or 1026 counting only the distinct ones).

The product of its (nonzero) digits is 51030, while the sum is 45.

The spelling of 11100959971200 in words is "eleven trillion, one hundred billion, nine hundred fifty-nine million, nine hundred seventy-one thousand, two hundred".