11321103040 has 56 divisors (see below), whose sum is σ = 29032108560. Its totient is φ = 4180098048.

The previous prime is 11321103037. The next prime is 11321103043. The reversal of 11321103040 is 4030112311.

It is an interprime number because it is at equal distance from previous prime (11321103037) and next prime (11321103043).

It is a Harshad number since it is a multiple of its sum of digits (16).

It is not an unprimeable number, because it can be changed into a prime (11321103043) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 1356550 + ... + 1364869.

It is an arithmetic number, because the mean of its divisors is an integer number (518430510).

Almost surely, 2^11321103040 is an apocalyptic number.

11321103040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11321103040 is an abundant number, since it is smaller than the sum of its proper divisors (17711005520).

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

11321103040 is a wasteful number, since it uses less digits than its factorization.

11321103040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2721449 (or 2721439 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 16.

Adding to 11321103040 its reverse (4030112311), we get a palindrome (15351215351).

The spelling of 11321103040 in words is "eleven billion, three hundred twenty-one million, one hundred three thousand, forty".