999990011101011 has 64 divisors (see below), whose sum is σ = 1574702870986752. Its totient is φ = 552948732900000.

The previous prime is 999990011100959. The next prime is 999990011101019. The reversal of 999990011101011 is 110101110099999.

It is not a de Polignac number, because 999990011101011 - 2¹⁴ = 999990011084627 is a prime.

It is not an unprimeable number, because it can be changed into a prime (999990011101019) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 9666263836 + ... + 9666367286.

It is an arithmetic number, because the mean of its divisors is an integer number (24604732359168).

Almost surely, 2^{999990011101011} is an apocalyptic number.

999990011101011 is a deficient number, since it is larger than the sum of its proper divisors (574712859885741).

999990011101011 is a wasteful number, since it uses less digits than its factorization.

999990011101011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 119005 (or 118943 counting only the distinct ones).

The product of its (nonzero) digits is 59049, while the sum is 51.

The spelling of 999990011101011 in words is "nine hundred ninety-nine trillion, nine hundred ninety billion, eleven million, one hundred one thousand, eleven".