1111413444 has 24 divisors (see below), whose sum is σ = 2637253920. Its totient is φ = 364191744.

The previous prime is 1111413439. The next prime is 1111413451. The reversal of 1111413444 is 4443141111.

It is a super-2 number, since 2×1111413444² = 2470479687007882272, which contains 22 as substring.

It is a nude number because it is divisible by every one of its digits.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 784189 + ... + 785604.

It is an arithmetic number, because the mean of its divisors is an integer number (109885580).

Almost surely, 2^1111413444 is an apocalyptic number.

It is an amenable number.

1111413444 is an abundant number, since it is smaller than the sum of its proper divisors (1525840476).

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

1111413444 is a wasteful number, since it uses less digits than its factorization.

1111413444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1569859 (or 1569857 counting only the distinct ones).

The product of its digits is 768, while the sum is 24.

The square root of 1111413444 is about 33337.8680182162. The cubic root of 1111413444 is about 1035.8381019901.

Adding to 1111413444 its reverse (4443141111), we get a palindrome (5554554555).

The spelling of 1111413444 in words is "one billion, one hundred eleven million, four hundred thirteen thousand, four hundred forty-four".