11111000112 has 30 divisors (see below), whose sum is σ = 31095368772. Its totient is φ = 3703666656.

The previous prime is 11111000081. The next prime is 11111000119. The reversal of 11111000112 is 21100011111.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a junction number, because it is equal to n+sod(n) for n = 11111000094 and 11111000103.

It is not an unprimeable number, because it can be changed into a prime (11111000119) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 38579718 + ... + 38580005.

Almost surely, 2^11111000112 is an apocalyptic number.

11111000112 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

11111000112 is an abundant number, since it is smaller than the sum of its proper divisors (19984368660).

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

11111000112 is a wasteful number, since it uses less digits than its factorization.

11111000112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 77159737 (or 77159728 counting only the distinct ones).

The product of its (nonzero) digits is 2, while the sum is 9.

Adding to 11111000112 its reverse (21100011111), we get a palindrome (32211011223).

The spelling of 11111000112 in words is "eleven billion, one hundred eleven million, one hundred twelve", and thus it is an aban number.