2188506011 has 2 divisors, whose sum is σ = 2188506012. Its totient is φ = 2188506010.

The previous prime is 2188505983. The next prime is 2188506017. The reversal of 2188506011 is 1106058812.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2188506011 is a prime.

It is not a weakly prime, because it can be changed into another prime (2188506017) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1094253005 + 1094253006.

It is an arithmetic number, because the mean of its divisors is an integer number (1094253006).

Almost surely, 2^2188506011 is an apocalyptic number.

2188506011 is a deficient number, since it is larger than the sum of its proper divisors (1).

2188506011 is an equidigital number, since it uses as much as digits as its factorization.

2188506011 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3840, while the sum is 32.

The square root of 2188506011 is about 46781.4708084301. The cubic root of 2188506011 is about 1298.3224932956.

The spelling of 2188506011 in words is "two billion, one hundred eighty-eight million, five hundred six thousand, eleven".