11115661006 has 16 divisors (see below), whose sum is σ = 16975987200. Its totient is φ = 5457219768.

The previous prime is 11115661001. The next prime is 11115661057. The reversal of 11115661006 is 60016651111.

11115661006 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11115661001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 46531 + ... + 156193.

It is an arithmetic number, because the mean of its divisors is an integer number (1060999200).

Almost surely, 2^11115661006 is an apocalyptic number.

11115661006 is a deficient number, since it is larger than the sum of its proper divisors (5860326194).

11115661006 is a wasteful number, since it uses less digits than its factorization.

11115661006 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 110583.

The product of its (nonzero) digits is 1080, while the sum is 28.

The spelling of 11115661006 in words is "eleven billion, one hundred fifteen million, six hundred sixty-one thousand, six".