1103040504 has 80 divisors (see below), whose sum is σ = 3110271120. Its totient is φ = 365212800.

The previous prime is 1103040503. The next prime is 1103040517. The reversal of 1103040504 is 4050403011.

It is a happy number.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1103040503) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 92212 + ... + 103484.

It is an arithmetic number, because the mean of its divisors is an integer number (38878389).

Almost surely, 2^1103040504 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 1103040504, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1555135560).

1103040504 is an abundant number, since it is smaller than the sum of its proper divisors (2007230616).

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

1103040504 is a wasteful number, since it uses less digits than its factorization.

1103040504 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11442 (or 11429 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 18.

The square root of 1103040504 is about 33212.0535950429. The cubic root of 1103040504 is about 1033.2303470955.

Adding to 1103040504 its reverse (4050403011), we get a palindrome (5153443515).

The spelling of 1103040504 in words is "one billion, one hundred three million, forty thousand, five hundred four".