11105606007 has 20 divisors (see below), whose sum is σ = 16615734520. Its totient is φ = 7392188304.

The previous prime is 11105606003. The next prime is 11105606023. The reversal of 11105606007 is 70060650111.

11105606007 is a `hidden beast` number, since 1 + 1 + 1 + 0 + 56 + 0 + 600 + 7 = 666.

It is not a de Polignac number, because 11105606007 - 2² = 11105606003 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11105606003) by changing a digit.

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 19 ways as a sum of consecutive naturals, for example, 54532 + ... + 158697.

It is an arithmetic number, because the mean of its divisors is an integer number (830786726).

Almost surely, 2^11105606007 is an apocalyptic number.

11105606007 is a deficient number, since it is larger than the sum of its proper divisors (5510128513).

11105606007 is an equidigital number, since it uses as much as digits as its factorization.

11105606007 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 213884 (or 213875 counting only the distinct ones).

The product of its (nonzero) digits is 1260, while the sum is 27.

The spelling of 11105606007 in words is "eleven billion, one hundred five million, six hundred six thousand, seven".