2116210061055 has 16 divisors (see below), whose sum is σ = 3477447885024. Its totient is φ = 1098141436800.

The previous prime is 2116210061041. The next prime is 2116210061057. The reversal of 2116210061055 is 5501600126112.

It is not a de Polignac number, because 2116210061055 - 2²⁷ = 2116075843327 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2116210061057) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1906494996 + ... + 1906496105.

It is an arithmetic number, because the mean of its divisors is an integer number (217340492814).

Almost surely, 2^{2116210061055} is an apocalyptic number.

2116210061055 is a deficient number, since it is larger than the sum of its proper divisors (1361237823969).

2116210061055 is a wasteful number, since it uses less digits than its factorization.

2116210061055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3812991146.

The product of its (nonzero) digits is 3600, while the sum is 30.

Adding to 2116210061055 its reverse (5501600126112), we get a palindrome (7617810187167).

The spelling of 2116210061055 in words is "two trillion, one hundred sixteen billion, two hundred ten million, sixty-one thousand, fifty-five".