1115020044 has 72 divisors (see below), whose sum is σ = 2868028800. Its totient is φ = 365202432.

The previous prime is 1115020033. The next prime is 1115020063. The reversal of 1115020044 is 4400205111.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 1115019999 and 1115020026.

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, 519237 + ... + 521379.

Almost surely, 2^1115020044 is an apocalyptic number.

It is an amenable number.

1115020044 is an abundant number, since it is smaller than the sum of its proper divisors (1753008756).

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

1115020044 is a wasteful number, since it uses less digits than its factorization.

1115020044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2399 (or 2394 counting only the distinct ones).

The product of its (nonzero) digits is 160, while the sum is 18.

The square root of 1115020044 is about 33391.9158480013. The cubic root of 1115020044 is about 1036.9573434295.

Adding to 1115020044 its reverse (4400205111), we get a palindrome (5515225155).

The spelling of 1115020044 in words is "one billion, one hundred fifteen million, twenty thousand, forty-four".