2116554015211 has 2 divisors, whose sum is σ = 2116554015212. Its totient is φ = 2116554015210.

The previous prime is 2116554015161. The next prime is 2116554015263. The reversal of 2116554015211 is 1125104556112.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2116554015211 - 2¹⁹ = 2116553490923 is a prime.

It is not a weakly prime, because it can be changed into another prime (2116554010211) 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 as a sum of consecutive naturals, namely, 1058277007605 + 1058277007606.

It is an arithmetic number, because the mean of its divisors is an integer number (1058277007606).

Almost surely, 2^{2116554015211} is an apocalyptic number.

2116554015211 is a deficient number, since it is larger than the sum of its proper divisors (1).

2116554015211 is an equidigital number, since it uses as much as digits as its factorization.

2116554015211 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 12000, while the sum is 34.

The spelling of 2116554015211 in words is "two trillion, one hundred sixteen billion, five hundred fifty-four million, fifteen thousand, two hundred eleven".