3999011011 has 2 divisors, whose sum is σ = 3999011012. Its totient is φ = 3999011010.

The previous prime is 3999010991. The next prime is 3999011017. The reversal of 3999011011 is 1101109993.

It is a strong prime.

It is an emirp because it is prime and its reverse (1101109993) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 3999011011 - 2¹¹ = 3999008963 is a prime.

It is not a weakly prime, because it can be changed into another prime (3999011017) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1999505505 + 1999505506.

It is an arithmetic number, because the mean of its divisors is an integer number (1999505506).

Almost surely, 2^3999011011 is an apocalyptic number.

3999011011 is a deficient number, since it is larger than the sum of its proper divisors (1).

3999011011 is an equidigital number, since it uses as much as digits as its factorization.

3999011011 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2187, while the sum is 34.

The square root of 3999011011 is about 63237.7340754711. The cubic root of 3999011011 is about 1587.2702143363.

The spelling of 3999011011 in words is "three billion, nine hundred ninety-nine million, eleven thousand, eleven".