999011001001011 has 16 divisors (see below), whose sum is σ = 1334227162664448. Its totient is φ = 664901531588000.

The previous prime is 999011001001007. The next prime is 999011001001033. The reversal of 999011001001011 is 110100100110999.

It is a cyclic number.

It is not a de Polignac number, because 999011001001011 - 2² = 999011001001007 is a prime.

It is not an unprimeable number, because it can be changed into a prime (999011001008011) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 46630461 + ... + 64594286.

It is an arithmetic number, because the mean of its divisors is an integer number (83389197666528).

Almost surely, 2^{999011001001011} is an apocalyptic number.

999011001001011 is a deficient number, since it is larger than the sum of its proper divisors (335216161663437).

999011001001011 is a wasteful number, since it uses less digits than its factorization.

999011001001011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 111229722.

The product of its (nonzero) digits is 729, while the sum is 33.

The spelling of 999011001001011 in words is "nine hundred ninety-nine trillion, eleven billion, one million, one thousand, eleven".