11111304044 has 12 divisors (see below), whose sum is σ = 20468191800. Its totient is φ = 5263249248.

The previous prime is 11111304037. The next prime is 11111304049. The reversal of 11111304044 is 44040311111.

It is a super-2 number, since 2×11111304044² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (11111304049) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 73100609 + ... + 73100760.

It is an arithmetic number, because the mean of its divisors is an integer number (1705682650).

Almost surely, 2^11111304044 is an apocalyptic number.

It is an amenable number.

11111304044 is a deficient number, since it is larger than the sum of its proper divisors (9356887756).

11111304044 is a wasteful number, since it uses less digits than its factorization.

11111304044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 146201392 (or 146201390 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 20.

Adding to 11111304044 its reverse (44040311111), we get a palindrome (55151615155).

The spelling of 11111304044 in words is "eleven billion, one hundred eleven million, three hundred four thousand, forty-four".