1018966811 has 4 divisors (see below), whose sum is σ = 1019313672. Its totient is φ = 1018619952.

The previous prime is 1018966801. The next prime is 1018966849. The reversal of 1018966811 is 1186698101.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1186698101 = 6521 ⋅181981.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1018966811 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1018966801) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 168986 + ... + 174911.

It is an arithmetic number, because the mean of its divisors is an integer number (254828418).

Almost surely, 2^1018966811 is an apocalyptic number.

1018966811 is a deficient number, since it is larger than the sum of its proper divisors (346861).

1018966811 is an equidigital number, since it uses as much as digits as its factorization.

1018966811 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 346860.

The product of its (nonzero) digits is 20736, while the sum is 41.

The square root of 1018966811 is about 31921.2595459515. The cubic root of 1018966811 is about 1006.2827151587.

The spelling of 1018966811 in words is "one billion, eighteen million, nine hundred sixty-six thousand, eight hundred eleven".