1111041340 has 48 divisors (see below), whose sum is σ = 2460326400. Its totient is φ = 420282432.

The previous prime is 1111041311. The next prime is 1111041343. The reversal of 1111041340 is 431401111.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1111041343) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 243601 + ... + 248119.

It is an arithmetic number, because the mean of its divisors is an integer number (51256800).

Almost surely, 2^1111041340 is an apocalyptic number.

1111041340 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 1111041340, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1230163200).

1111041340 is an abundant number, since it is smaller than the sum of its proper divisors (1349285060).

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

1111041340 is a wasteful number, since it uses less digits than its factorization.

1111041340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5194 (or 5192 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 16.

The square root of 1111041340 is about 33332.2867502366. The cubic root of 1111041340 is about 1035.7224886910.

Adding to 1111041340 its reverse (431401111), we get a palindrome (1542442451).

The spelling of 1111041340 in words is "one billion, one hundred eleven million, forty-one thousand, three hundred forty".