11105205072 has 40 divisors (see below), whose sum is σ = 30895251744. Its totient is φ = 3416985984.

The previous prime is 11105205071. The next prime is 11105205079. The reversal of 11105205072 is 27050250111.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11105205071) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8897778 + ... + 8899025.

Almost surely, 2^11105205072 is an apocalyptic number.

11105205072 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

11105205072 is an abundant number, since it is smaller than the sum of its proper divisors (19790046672).

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

11105205072 is a wasteful number, since it uses less digits than its factorization.

11105205072 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17796827 (or 17796821 counting only the distinct ones).

The product of its (nonzero) digits is 700, while the sum is 24.

Adding to 11105205072 its reverse (27050250111), we get a palindrome (38155455183).

The spelling of 11105205072 in words is "eleven billion, one hundred five million, two hundred five thousand, seventy-two".