11116561306 has 32 divisors (see below), whose sum is σ = 17919792000. Its totient is φ = 5156544960.

The previous prime is 11116561303. The next prime is 11116561321. The reversal of 11116561306 is 60316561111.

It is not an unprimeable number, because it can be changed into a prime (11116561303) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 388176 + ... + 415828.

It is an arithmetic number, because the mean of its divisors is an integer number (559993500).

Almost surely, 2^11116561306 is an apocalyptic number.

11116561306 is a deficient number, since it is larger than the sum of its proper divisors (6803230694).

11116561306 is a wasteful number, since it uses less digits than its factorization.

11116561306 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27894.

The product of its (nonzero) digits is 3240, while the sum is 31.

The spelling of 11116561306 in words is "eleven billion, one hundred sixteen million, five hundred sixty-one thousand, three hundred six".