1105621533016 has 128 divisors (see below), whose sum is σ = 2803702325760. Its totient is φ = 394723353600.

The previous prime is 1105621533013. The next prime is 1105621533017. The reversal of 1105621533016 is 6103351265011.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1105621533013) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 593211 + ... + 1600981.

It is an arithmetic number, because the mean of its divisors is an integer number (21903924420).

Almost surely, 2^{1105621533016} 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 1105621533016, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1401851162880).

1105621533016 is an abundant number, since it is smaller than the sum of its proper divisors (1698080792744).

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

1105621533016 is a wasteful number, since it uses less digits than its factorization.

1105621533016 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1007945 (or 1007941 counting only the distinct ones).

The product of its (nonzero) digits is 16200, while the sum is 34.

Adding to 1105621533016 its reverse (6103351265011), we get a palindrome (7208972798027).

The spelling of 1105621533016 in words is "one trillion, one hundred five billion, six hundred twenty-one million, five hundred thirty-three thousand, sixteen".