11111011003312 has 20 divisors (see below), whose sum is σ = 23484636893736. Its totient is φ = 5050459546880.

The previous prime is 11111011003303. The next prime is 11111011003343. The reversal of 11111011003312 is 21330011011111.

It is a Harshad number since it is a multiple of its sum of digits (16).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 31565371993 + ... + 31565372344.

Almost surely, 2^{11111011003312} is an apocalyptic number.

It is an amenable number.

11111011003312 is an abundant number, since it is smaller than the sum of its proper divisors (12373625890424).

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

11111011003312 is a wasteful number, since it uses less digits than its factorization.

11111011003312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63130744356 (or 63130744350 counting only the distinct ones).

The product of its (nonzero) digits is 18, while the sum is 16.

Adding to 11111011003312 its reverse (21330011011111), we get a palindrome (32441022014423).

The spelling of 11111011003312 in words is "eleven trillion, one hundred eleven billion, eleven million, three thousand, three hundred twelve".