99999999001011 has 16 divisors (see below), whose sum is σ = 139850487396864. Its totient is φ = 63484760719584.

The previous prime is 99999999001003. The next prime is 99999999001037. The reversal of 99999999001011 is 11010099999999.

It is not a de Polignac number, because 99999999001011 - 2³ = 99999999001003 is a prime.

It is not an unprimeable number, because it can be changed into a prime (99999999001051) 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, 9584046825 + ... + 9584057258.

It is an arithmetic number, because the mean of its divisors is an integer number (8740655462304).

Almost surely, 2^{99999999001011} is an apocalyptic number.

99999999001011 is a deficient number, since it is larger than the sum of its proper divisors (39850488395853).

99999999001011 is a wasteful number, since it uses less digits than its factorization.

99999999001011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19168104170.

The product of its (nonzero) digits is 43046721, while the sum is 75.

The spelling of 99999999001011 in words is "ninety-nine trillion, nine hundred ninety-nine billion, nine hundred ninety-nine million, one thousand, eleven".