11066720507 has 8 divisors (see below), whose sum is σ = 11110590192. Its totient is φ = 11022883200.

The previous prime is 11066720477. The next prime is 11066720543. The reversal of 11066720507 is 70502766011.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 11066720507 - 2⁶ = 11066720443 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11066720407) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 855407 + ... + 868247.

It is an arithmetic number, because the mean of its divisors is an integer number (1388823774).

Almost surely, 2^11066720507 is an apocalyptic number.

11066720507 is a deficient number, since it is larger than the sum of its proper divisors (43869685).

11066720507 is a wasteful number, since it uses less digits than its factorization.

11066720507 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16189.

The product of its (nonzero) digits is 17640, while the sum is 35.

The spelling of 11066720507 in words is "eleven billion, sixty-six million, seven hundred twenty thousand, five hundred seven".