11403043120 has 80 divisors (see below), whose sum is σ = 30640092480. Its totient is φ = 3865669632.

The previous prime is 11403043087. The next prime is 11403043129. The reversal of 11403043120 is 2134030411.

It is a tau number, because it is divible by the number of its divisors (80).

It is not an unprimeable number, because it can be changed into a prime (11403043129) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 64557 + ... + 164236.

It is an arithmetic number, because the mean of its divisors is an integer number (383001156).

Almost surely, 2^11403043120 is an apocalyptic number.

11403043120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11403043120 is an abundant number, since it is smaller than the sum of its proper divisors (19237049360).

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

11403043120 is a wasteful number, since it uses less digits than its factorization.

11403043120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 228902 (or 228896 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 11403043120 its reverse (2134030411), we get a palindrome (13537073531).

The spelling of 11403043120 in words is "eleven billion, four hundred three million, forty-three thousand, one hundred twenty".