1116621043244 has 72 divisors (see below), whose sum is σ = 2310967557360. Its totient is φ = 470588227200.

The previous prime is 1116621043211. The next prime is 1116621043301. The reversal of 1116621043244 is 4423401266111.

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 23 ways as a sum of consecutive naturals, for example, 60476174 + ... + 60494634.

It is an arithmetic number, because the mean of its divisors is an integer number (32096771630).

Almost surely, 2^{1116621043244} is an apocalyptic number.

1116621043244 is a gapful number since it is divisible by the number (14) 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 1116621043244, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1155483778680).

1116621043244 is an abundant number, since it is smaller than the sum of its proper divisors (1194346514116).

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

1116621043244 is a wasteful number, since it uses less digits than its factorization.

1116621043244 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23599 (or 23590 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 35.

The spelling of 1116621043244 in words is "one trillion, one hundred sixteen billion, six hundred twenty-one million, forty-three thousand, two hundred forty-four".