999011001011101 has 8 divisors (see below), whose sum is σ = 1139143765859064. Its totient is φ = 867919059701760.

The previous prime is 999011001011083. The next prime is 999011001011117. The reversal of 999011001011101 is 101110100110999.

It can be written as a sum of positive squares in 4 ways, for example, as 446324205625 + 998564676805476 = 668075^2 + 31600074^2 .

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 999011001011101 - 2⁵ = 999011001011069 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 (999011001011801) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2260205884420 + ... + 2260205884861.

It is an arithmetic number, because the mean of its divisors is an integer number (142392970732383).

Almost surely, 2^{999011001011101} is an apocalyptic number.

It is an amenable number.

999011001011101 is a deficient number, since it is larger than the sum of its proper divisors (140132764847963).

999011001011101 is a wasteful number, since it uses less digits than its factorization.

999011001011101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4520411769311.

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

The spelling of 999011001011101 in words is "nine hundred ninety-nine trillion, eleven billion, one million, eleven thousand, one hundred one".