11198287689472 has 144 divisors (see below), whose sum is σ = 24683676272640. Its totient is φ = 5037674213376.

The previous prime is 11198287689461. The next prime is 11198287689481. The reversal of 11198287689472 is 27498678289111.

It is a Smith number, since the sum of its digits (73) coincides with the sum of the digits of its prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 11198287689395 and 11198287689404.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 68465133 + ... + 68628499.

It is an arithmetic number, because the mean of its divisors is an integer number (171414418560).

Almost surely, 2^{11198287689472} 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 11198287689472, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12341838136320).

11198287689472 is an abundant number, since it is smaller than the sum of its proper divisors (13485388583168).

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

11198287689472 is a wasteful number, since it uses less digits than its factorization.

11198287689472 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 163918 (or 163904 counting only the distinct ones).

The product of its digits is 195084288, while the sum is 73.

The spelling of 11198287689472 in words is "eleven trillion, one hundred ninety-eight billion, two hundred eighty-seven million, six hundred eighty-nine thousand, four hundred seventy-two".