11105563620 has 48 divisors (see below), whose sum is σ = 31605352128. Its totient is φ = 2912933760.

The previous prime is 11105563571. The next prime is 11105563643. The reversal of 11105563620 is 2636550111.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1513494 + ... + 1520813.

It is an arithmetic number, because the mean of its divisors is an integer number (658444836).

Almost surely, 2^11105563620 is an apocalyptic number.

11105563620 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11105563620 is an abundant number, since it is smaller than the sum of its proper divisors (20499788508).

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

11105563620 is a wasteful number, since it uses less digits than its factorization.

11105563620 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3034380 (or 3034378 counting only the distinct ones).

The product of its (nonzero) digits is 5400, while the sum is 30.

The spelling of 11105563620 in words is "eleven billion, one hundred five million, five hundred sixty-three thousand, six hundred twenty".