1101443518056 has 384 divisors, whose sum is σ = 3287292180480. Its totient is φ = 307476132096.

The previous prime is 1101443518039. The next prime is 1101443518057. The reversal of 1101443518056 is 6508153441011.

It is not an unprimeable number, because it can be changed into a prime (1101443518057) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 5591083750 + ... + 5591083946.

It is an arithmetic number, because the mean of its divisors is an integer number (8560656720).

Almost surely, 2^{1101443518056} 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 1101443518056, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1643646090240).

1101443518056 is an abundant number, since it is smaller than the sum of its proper divisors (2185848662424).

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

1101443518056 is an equidigital number, since it uses as much as digits as its factorization.

1101443518056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 491 (or 459 counting only the distinct ones).

The product of its (nonzero) digits is 57600, while the sum is 39.

Adding to 1101443518056 its reverse (6508153441011), we get a palindrome (7609596959067).

The spelling of 1101443518056 in words is "one trillion, one hundred one billion, four hundred forty-three million, five hundred eighteen thousand, fifty-six".