11403220111040 has 28 divisors (see below), whose sum is σ = 27153917890176. Its totient is φ = 4561288044288.

The previous prime is 11403220111037. The next prime is 11403220111057. The reversal of 11403220111040 is 4011102230411.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17817531104 + ... + 17817531743.

It is an arithmetic number, because the mean of its divisors is an integer number (969782781792).

Almost surely, 2^{11403220111040} is an apocalyptic number.

11403220111040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11403220111040 is an abundant number, since it is smaller than the sum of its proper divisors (15750697779136).

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

11403220111040 is an equidigital number, since it uses as much as digits as its factorization.

11403220111040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35635062864 (or 35635062854 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 20.

Adding to 11403220111040 its reverse (4011102230411), we get a palindrome (15414322341451).

The spelling of 11403220111040 in words is "eleven trillion, four hundred three billion, two hundred twenty million, one hundred eleven thousand, forty".