1103011944 has 16 divisors (see below), whose sum is σ = 2757529920. Its totient is φ = 367670640.

The previous prime is 1103011939. The next prime is 1103011951. The reversal of 1103011944 is 4491103011.

It is a Harshad number since it is a multiple of its sum of digits (24), and also a Moran number because the ratio is a prime number: 45958831 = 1103011944 / (1 + 1 + 0 + 3 + 0 + 1 + 1 + 9 + 4 + 4).

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 22979392 + ... + 22979439.

It is an arithmetic number, because the mean of its divisors is an integer number (172345620).

Almost surely, 2^1103011944 is an apocalyptic number.

It is an amenable number.

1103011944 is an abundant number, since it is smaller than the sum of its proper divisors (1654517976).

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

1103011944 is a wasteful number, since it uses less digits than its factorization.

1103011944 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45958840 (or 45958836 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 24.

The square root of 1103011944 is about 33211.6236278806. The cubic root of 1103011944 is about 1033.2214295284.

Adding to 1103011944 its reverse (4491103011), we get a palindrome (5594114955).

The spelling of 1103011944 in words is "one billion, one hundred three million, eleven thousand, nine hundred forty-four".