2168051924911 has 8 divisors (see below), whose sum is σ = 2175354455040. Its totient is φ = 2160756977208.

The previous prime is 2168051924903. The next prime is 2168051924947. The reversal of 2168051924911 is 1194291508612.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2168051924911 - 2³ = 2168051924903 is a prime.

It is a super-2 number, since 2×2168051924911² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2168051921911) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1322491 + ... + 2466796.

It is an arithmetic number, because the mean of its divisors is an integer number (271919306880).

Almost surely, 2^{2168051924911} is an apocalyptic number.

2168051924911 is a deficient number, since it is larger than the sum of its proper divisors (7302530129).

2168051924911 is a wasteful number, since it uses less digits than its factorization.

2168051924911 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3791213.

The product of its (nonzero) digits is 311040, while the sum is 49.

The spelling of 2168051924911 in words is "two trillion, one hundred sixty-eight billion, fifty-one million, nine hundred twenty-four thousand, nine hundred eleven".