1043113411100 has 72 divisors (see below), whose sum is σ = 2281400074800. Its totient is φ = 413967790080.

The previous prime is 1043113411051. The next prime is 1043113411121. The reversal of 1043113411100 is 11143113401.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 7126451 + ... + 7271349.

It is an arithmetic number, because the mean of its divisors is an integer number (31686112150).

Almost surely, 2^{1043113411100} is an apocalyptic number.

1043113411100 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 1043113411100, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1140700037400).

1043113411100 is an abundant number, since it is smaller than the sum of its proper divisors (1238286663700).

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

1043113411100 is a wasteful number, since it uses less digits than its factorization.

1043113411100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 145479 (or 145472 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 20.

Adding to 1043113411100 its reverse (11143113401), we get a palindrome (1054256524501).

The spelling of 1043113411100 in words is "one trillion, forty-three billion, one hundred thirteen million, four hundred eleven thousand, one hundred".