8019163811 has 4 divisors (see below), whose sum is σ = 8043391224. Its totient is φ = 7994936400.

The previous prime is 8019163753. The next prime is 8019163843. The reversal of 8019163811 is 1183619108.

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-8019163811 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (8019163511) 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, 12113210 + ... + 12113871.

It is an arithmetic number, because the mean of its divisors is an integer number (2010847806).

Almost surely, 2^8019163811 is an apocalyptic number.

8019163811 is a deficient number, since it is larger than the sum of its proper divisors (24227413).

8019163811 is a wasteful number, since it uses less digits than its factorization.

8019163811 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24227412.

The product of its (nonzero) digits is 10368, while the sum is 38.

The square root of 8019163811 is about 89549.7839807556. The cubic root of 8019163811 is about 2001.5957107650.

The spelling of 8019163811 in words is "eight billion, nineteen million, one hundred sixty-three thousand, eight hundred eleven".