11064643240 has 32 divisors (see below), whose sum is σ = 28451940480. Its totient is φ = 3793591872.

The previous prime is 11064643237. The next prime is 11064643253. The reversal of 11064643240 is 4234646011.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19758012 + ... + 19758571.

It is an arithmetic number, because the mean of its divisors is an integer number (889123140).

Almost surely, 2^11064643240 is an apocalyptic number.

11064643240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11064643240 is an abundant number, since it is smaller than the sum of its proper divisors (17387297240).

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

11064643240 is a wasteful number, since it uses less digits than its factorization.

11064643240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39516601 (or 39516597 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 31.

The spelling of 11064643240 in words is "eleven billion, sixty-four million, six hundred forty-three thousand, two hundred forty".