11066715640 has 32 divisors (see below), whose sum is σ = 25479186480. Its totient is φ = 4323739392.

The previous prime is 11066715617. The next prime is 11066715679. The reversal of 11066715640 is 4651766011.

11066715640 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 11066715640.

It is a congruent number.

It is an unprimeable number.

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, 3215349 + ... + 3218788.

Almost surely, 2^11066715640 is an apocalyptic number.

11066715640 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11066715640 is an abundant number, since it is smaller than the sum of its proper divisors (14412470840).

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

11066715640 is a wasteful number, since it uses less digits than its factorization.

11066715640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6434191 (or 6434187 counting only the distinct ones).

The product of its (nonzero) digits is 30240, while the sum is 37.

The spelling of 11066715640 in words is "eleven billion, sixty-six million, seven hundred fifteen thousand, six hundred forty".