1010011999 has 16 divisors (see below), whose sum is σ = 1059682176. Its totient is φ = 961657600.

The previous prime is 1010011987. The next prime is 1010012021. The reversal of 1010011999 is 9991100101.

It is not a de Polignac number, because 1010011999 - 2⁹ = 1010011487 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1010011999.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1010011969) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1072869 + ... + 1073809.

It is an arithmetic number, because the mean of its divisors is an integer number (66230136).

Almost surely, 2^1010011999 is an apocalyptic number.

1010011999 is a deficient number, since it is larger than the sum of its proper divisors (49670177).

1010011999 is an equidigital number, since it uses as much as digits as its factorization.

1010011999 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1586.

The product of its (nonzero) digits is 729, while the sum is 31.

The square root of 1010011999 is about 31780.6859428805. The cubic root of 1010011999 is about 1003.3262567488.

The spelling of 1010011999 in words is "one billion, ten million, eleven thousand, nine hundred ninety-nine".