11112405312 has 56 divisors (see below), whose sum is σ = 29413175616. Its totient is φ = 3702673408.

The previous prime is 11112405301. The next prime is 11112405329. The reversal of 11112405312 is 21350421111.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 547408 + ... + 567344.

Almost surely, 2^11112405312 is an apocalyptic number.

11112405312 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

11112405312 is an abundant number, since it is smaller than the sum of its proper divisors (18300770304).

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

11112405312 is a wasteful number, since it uses less digits than its factorization.

11112405312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22855 (or 22845 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 21.

Adding to 11112405312 its reverse (21350421111), we get a palindrome (32462826423).

The spelling of 11112405312 in words is "eleven billion, one hundred twelve million, four hundred five thousand, three hundred twelve".