11105100612 has 72 divisors (see below), whose sum is σ = 29000025600. Its totient is φ = 3579413760.

The previous prime is 11105100577. The next prime is 11105100623. The reversal of 11105100612 is 21600150111.

It is a happy number.

11105100612 is a `hidden beast` number, since 1 + 1 + 1 + 0 + 51 + 0 + 0 + 612 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1718764 + ... + 1725212.

Almost surely, 2^11105100612 is an apocalyptic number.

11105100612 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 11105100612, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14500012800).

11105100612 is an abundant number, since it is smaller than the sum of its proper divisors (17894924988).

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

11105100612 is a wasteful number, since it uses less digits than its factorization.

11105100612 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8033 (or 8028 counting only the distinct ones).

The product of its (nonzero) digits is 60, while the sum is 18.

Adding to 11105100612 its reverse (21600150111), we get a palindrome (32705250723).

The spelling of 11105100612 in words is "eleven billion, one hundred five million, one hundred thousand, six hundred twelve".