11312113312 has 24 divisors (see below), whose sum is σ = 22289342292. Its totient is φ = 5651328000.

The previous prime is 11312113301. The next prime is 11312113313. The reversal of 11312113312 is 21331121311.

It can be written as a sum of positive squares in 2 ways, for example, as 8686985616 + 2625127696 = 93204^2 + 51236^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 11312113312.

It is not an unprimeable number, because it can be changed into a prime (11312113313) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 108739 + ... + 185602.

Almost surely, 2^11312113312 is an apocalyptic number.

It is an amenable number.

11312113312 is a deficient number, since it is larger than the sum of its proper divisors (10977228980).

11312113312 is a wasteful number, since it uses less digits than its factorization.

11312113312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 295552 (or 295544 counting only the distinct ones).

The product of its digits is 108, while the sum is 19.

Adding to 11312113312 its reverse (21331121311), we get a palindrome (32643234623).

The spelling of 11312113312 in words is "eleven billion, three hundred twelve million, one hundred thirteen thousand, three hundred twelve".