66999011110011 has 12 divisors (see below), whose sum is σ = 97262662697200. Its totient is φ = 44441555106960.

The previous prime is 66999011110001. The next prime is 66999011110019. The reversal of 66999011110011 is 11001111099966.

It is not a de Polignac number, because 66999011110011 - 2³⁴ = 66981831240827 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (66999011110019) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 18704356420 + ... + 18704360001.

Almost surely, 2^{66999011110011} is an apocalyptic number.

66999011110011 is a deficient number, since it is larger than the sum of its proper divisors (30263651587189).

66999011110011 is a wasteful number, since it uses less digits than its factorization.

66999011110011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37408716626 (or 37408716623 counting only the distinct ones).

The product of its (nonzero) digits is 26244, while the sum is 45.

The spelling of 66999011110011 in words is "sixty-six trillion, nine hundred ninety-nine billion, eleven million, one hundred ten thousand, eleven".