99001011111 has 8 divisors (see below), whose sum is σ = 135568952304. Its totient is φ = 64216872000.

The previous prime is 99001011107. The next prime is 99001011133. The reversal of 99001011111 is 11111010099.

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

It is not a de Polignac number, because 99001011111 - 2² = 99001011107 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (99001021111) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 445950390 + ... + 445950611.

It is an arithmetic number, because the mean of its divisors is an integer number (16946119038).

Almost surely, 2^99001011111 is an apocalyptic number.

99001011111 is a deficient number, since it is larger than the sum of its proper divisors (36567941193).

99001011111 is a wasteful number, since it uses less digits than its factorization.

99001011111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 891901041.

The product of its (nonzero) digits is 81, while the sum is 24.

The spelling of 99001011111 in words is "ninety-nine billion, one million, eleven thousand, one hundred eleven".