2164603051111 has 2 divisors, whose sum is σ = 2164603051112. Its totient is φ = 2164603051110.

The previous prime is 2164603050989. The next prime is 2164603051153. The reversal of 2164603051111 is 1111503064612.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2164603051111 - 2¹³ = 2164603042919 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2164603051711) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1082301525555 + 1082301525556.

It is an arithmetic number, because the mean of its divisors is an integer number (1082301525556).

Almost surely, 2^{2164603051111} is an apocalyptic number.

2164603051111 is a deficient number, since it is larger than the sum of its proper divisors (1).

2164603051111 is an equidigital number, since it uses as much as digits as its factorization.

2164603051111 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4320, while the sum is 31.

The spelling of 2164603051111 in words is "two trillion, one hundred sixty-four billion, six hundred three million, fifty-one thousand, one hundred eleven".