11403313312 has 96 divisors (see below), whose sum is σ = 24037171200. Its totient is φ = 5306585088.

The previous prime is 11403313291. The next prime is 11403313331. The reversal of 11403313312 is 21331330411.

It is a super-3 number, since 3×11403313312³ (a number of 31 digits) contains 333 as substring.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 29773473 + ... + 29773855.

It is an arithmetic number, because the mean of its divisors is an integer number (250387200).

Almost surely, 2^11403313312 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 11403313312, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12018585600).

11403313312 is an abundant number, since it is smaller than the sum of its proper divisors (12633857888).

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

11403313312 is a wasteful number, since it uses less digits than its factorization.

11403313312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 878 (or 870 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 22.

Adding to 11403313312 its reverse (21331330411), we get a palindrome (32734643723).

The spelling of 11403313312 in words is "eleven billion, four hundred three million, three hundred thirteen thousand, three hundred twelve".