1111441000 has 64 divisors (see below), whose sum is σ = 2609081280. Its totient is φ = 443156800.

The previous prime is 1111440973. The next prime is 1111441013. The reversal of 1111441000 is 1441111.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 345399 + ... + 348601.

It is an arithmetic number, because the mean of its divisors is an integer number (40766895).

Almost surely, 2^1111441000 is an apocalyptic number.

1111441000 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 1111441000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1304540640).

1111441000 is an abundant number, since it is smaller than the sum of its proper divisors (1497640280).

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

1111441000 is a wasteful number, since it uses less digits than its factorization.

1111441000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3571 (or 3557 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 13.

The square root of 1111441000 is about 33338.2812994311. The cubic root of 1111441000 is about 1035.8466626564.

Adding to 1111441000 its reverse (1441111), we get a palindrome (1112882111).

The spelling of 1111441000 in words is "one billion, one hundred eleven million, four hundred forty-one thousand".