999010111111 has 8 divisors (see below), whose sum is σ = 1036330344000. Its totient is φ = 962306741760.

The previous prime is 999010111097. The next prime is 999010111163. The reversal of 999010111111 is 111111010999.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 999010111111 - 2⁵ = 999010111079 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (999010111171) 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 7 ways as a sum of consecutive naturals, for example, 154212586 + ... + 154219063.

It is an arithmetic number, because the mean of its divisors is an integer number (129541293000).

Almost surely, 2^999010111111 is an apocalyptic number.

999010111111 is a deficient number, since it is larger than the sum of its proper divisors (37320232889).

999010111111 is a wasteful number, since it uses less digits than its factorization.

999010111111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 308431769.

The product of its (nonzero) digits is 729, while the sum is 34.

The spelling of 999010111111 in words is "nine hundred ninety-nine billion, ten million, one hundred eleven thousand, one hundred eleven".