1103518944 has 192 divisors, whose sum is σ = 3565658880. Its totient is φ = 329218560.

The previous prime is 1103518939. The next prime is 1103518951. The reversal of 1103518944 is 4498153011.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 1103518899 and 1103518908.

It is a congruent number.

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 31 ways as a sum of consecutive naturals, for example, 635902 + ... + 637634.

It is an arithmetic number, because the mean of its divisors is an integer number (18571140).

Almost surely, 2^1103518944 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1103518944, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1782829440).

1103518944 is an abundant number, since it is smaller than the sum of its proper divisors (2462139936).

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

1103518944 is a wasteful number, since it uses less digits than its factorization.

1103518944 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1830 (or 1816 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 36.

The square root of 1103518944 is about 33219.2556207992. The cubic root of 1103518944 is about 1033.3797121975.

The spelling of 1103518944 in words is "one billion, one hundred three million, five hundred eighteen thousand, nine hundred forty-four".