873168820011 has 12 divisors (see below), whose sum is σ = 1281919980640. Its totient is φ = 572569717680.

The previous prime is 873168819923. The next prime is 873168820087. The reversal of 873168820011 is 110028861378.

It is a happy number.

It is not a de Polignac number, because 873168820011 - 2¹⁴ = 873168803627 is a prime.

It is a super-2 number, since 2×873168820011² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (873168821011) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 795235171 + ... + 795236268.

Almost surely, 2^873168820011 is an apocalyptic number.

873168820011 is a deficient number, since it is larger than the sum of its proper divisors (408751160629).

873168820011 is a wasteful number, since it uses less digits than its factorization.

873168820011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1590471506 (or 1590471503 counting only the distinct ones).

The product of its (nonzero) digits is 129024, while the sum is 45.

The spelling of 873168820011 in words is "eight hundred seventy-three billion, one hundred sixty-eight million, eight hundred twenty thousand, eleven".