1101803040 has 384 divisors, whose sum is σ = 4338593280. Its totient is φ = 259117056.

The previous prime is 1101803033. The next prime is 1101803047. The reversal of 1101803040 is 403081011.

It is an interprime number because it is at equal distance from previous prime (1101803033) and next prime (1101803047).

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

It is not an unprimeable number, because it can be changed into a prime (1101803047) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1291254 + ... + 1292106.

It is an arithmetic number, because the mean of its divisors is an integer number (11298420).

Almost surely, 2^1101803040 is an apocalyptic number.

1101803040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1101803040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2169296640).

1101803040 is an abundant number, since it is smaller than the sum of its proper divisors (3236790240).

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

1101803040 is a wasteful number, since it uses less digits than its factorization.

1101803040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 913 (or 899 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 18.

The square root of 1101803040 is about 33193.4186247816. The cubic root of 1101803040 is about 1032.8438204039.

Adding to 1101803040 its reverse (403081011), we get a palindrome (1504884051).

The spelling of 1101803040 in words is "one billion, one hundred one million, eight hundred three thousand, forty".