2160551326111 has 4 divisors (see below), whose sum is σ = 2210796705832. Its totient is φ = 2110305946392.

The previous prime is 2160551326103. The next prime is 2160551326121. The reversal of 2160551326111 is 1116231550612.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2160551326111 - 2³ = 2160551326103 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2160551326121) 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, 25122689796 + ... + 25122689881.

It is an arithmetic number, because the mean of its divisors is an integer number (552699176458).

Almost surely, 2^{2160551326111} is an apocalyptic number.

2160551326111 is a deficient number, since it is larger than the sum of its proper divisors (50245379721).

2160551326111 is an equidigital number, since it uses as much as digits as its factorization.

2160551326111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50245379720.

The product of its (nonzero) digits is 10800, while the sum is 34.

Adding to 2160551326111 its reverse (1116231550612), we get a palindrome (3276782876723).

The spelling of 2160551326111 in words is "two trillion, one hundred sixty billion, five hundred fifty-one million, three hundred twenty-six thousand, one hundred eleven".