11612665266 has 32 divisors (see below), whose sum is σ = 23890204800. Its totient is φ = 3760402176.

The previous prime is 11612665261. The next prime is 11612665313. The reversal of 11612665266 is 66256621611.

11612665266 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (11612665261) 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 15 ways as a sum of consecutive naturals, for example, 103210 + ... + 184058.

It is an arithmetic number, because the mean of its divisors is an integer number (746568900).

Almost surely, 2^11612665266 is an apocalyptic number.

11612665266 is an abundant number, since it is smaller than the sum of its proper divisors (12277539534).

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

11612665266 is a wasteful number, since it uses less digits than its factorization.

11612665266 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81538.

The product of its digits is 155520, while the sum is 42.

The spelling of 11612665266 in words is "eleven billion, six hundred twelve million, six hundred sixty-five thousand, two hundred sixty-six".