11403333012 has 48 divisors (see below), whose sum is σ = 27479015424. Its totient is φ = 3676764000.

The previous prime is 11403332953. The next prime is 11403333017. The reversal of 11403333012 is 21033330411.

It is a self number, because there is not a number n which added to its sum of digits gives 11403333012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11403333017) 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, 957937 + ... + 969767.

It is an arithmetic number, because the mean of its divisors is an integer number (572479488).

Almost surely, 2^11403333012 is an apocalyptic number.

11403333012 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

11403333012 is an abundant number, since it is smaller than the sum of its proper divisors (16075682412).

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

11403333012 is a wasteful number, since it uses less digits than its factorization.

11403333012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14460 (or 14458 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 21.

Adding to 11403333012 its reverse (21033330411), we get a palindrome (32436663423).

The spelling of 11403333012 in words is "eleven billion, four hundred three million, three hundred thirty-three thousand, twelve".