11660016011 has 4 divisors (see below), whose sum is σ = 13325732592. Its totient is φ = 9994299432.

The previous prime is 11660016001. The next prime is 11660016029. The reversal of 11660016011 is 11061006611.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11660016011 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11660016001) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 832858280 + ... + 832858293.

It is an arithmetic number, because the mean of its divisors is an integer number (3331433148).

Almost surely, 2^11660016011 is an apocalyptic number.

11660016011 is a deficient number, since it is larger than the sum of its proper divisors (1665716581).

11660016011 is an equidigital number, since it uses as much as digits as its factorization.

11660016011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1665716580.

The product of its (nonzero) digits is 216, while the sum is 23.

The spelling of 11660016011 in words is "eleven billion, six hundred sixty million, sixteen thousand, eleven".