1988064011 has 2 divisors, whose sum is σ = 1988064012. Its totient is φ = 1988064010.

The previous prime is 1988063989. The next prime is 1988064017. The reversal of 1988064011 is 1104608891.

It is a strong prime.

It is an emirp because it is prime and its reverse (1104608891) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1988064011 - 2¹⁰ = 1988062987 is a prime.

It is not a weakly prime, because it can be changed into another prime (1988064017) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 994032005 + 994032006.

It is an arithmetic number, because the mean of its divisors is an integer number (994032006).

Almost surely, 2^1988064011 is an apocalyptic number.

1988064011 is a deficient number, since it is larger than the sum of its proper divisors (1).

1988064011 is an equidigital number, since it uses as much as digits as its factorization.

1988064011 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 13824, while the sum is 38.

The square root of 1988064011 is about 44587.7114348786. The cubic root of 1988064011 is about 1257.4096466035.

The spelling of 1988064011 in words is "one billion, nine hundred eighty-eight million, sixty-four thousand, eleven".